TW201805347A - Thermal transfer sheet and combination of transfer foil and thermal transfer sheet - Google Patents

Thermal transfer sheet and combination of transfer foil and thermal transfer sheet Download PDF

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Publication number
TW201805347A
TW201805347A TW106107594A TW106107594A TW201805347A TW 201805347 A TW201805347 A TW 201805347A TW 106107594 A TW106107594 A TW 106107594A TW 106107594 A TW106107594 A TW 106107594A TW 201805347 A TW201805347 A TW 201805347A
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layer
thermal transfer
transfer sheet
peeling layer
transfer
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TW106107594A
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TWI753886B (en
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岩崎悠紀
與田晋也
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大日本印刷股份有限公司
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/40Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/382Contact thermal transfer or sublimation processes
    • B41M5/38207Contact thermal transfer or sublimation processes characterised by aspects not provided for in groups B41M5/385 - B41M5/395
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/30Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/36Layered products comprising a layer of synthetic resin comprising polyesters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/382Contact thermal transfer or sublimation processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/382Contact thermal transfer or sublimation processes
    • B41M5/38257Contact thermal transfer or sublimation processes characterised by the use of an intermediate receptor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/40Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
    • B41M5/41Base layers supports or substrates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/40Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
    • B41M5/42Intermediate, backcoat, or covering layers
    • B41M5/423Intermediate, backcoat, or covering layers characterised by non-macromolecular compounds, e.g. waxes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/40Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
    • B41M5/42Intermediate, backcoat, or covering layers
    • B41M5/426Intermediate, backcoat, or covering layers characterised by inorganic compounds, e.g. metals, metal salts, metal complexes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/40Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
    • B41M5/42Intermediate, backcoat, or covering layers
    • B41M5/44Intermediate, backcoat, or covering layers characterised by the macromolecular compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/50Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
    • B41M5/52Macromolecular coatings
    • B41M5/5263Macromolecular coatings characterised by the use of polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • B41M5/5272Polyesters; Polycarbonates
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]

Abstract

To provide: a thermal transfer sheet from which a transfer layer is able to be accurately removed; and a combination of a transfer foil and a thermal transfer sheet. A thermal transfer sheet 10 which has a peel-off layer 4 provided on a base 1, and which is configured such that (i) the peel-off layer 4 contains at least a vinyl chloride resin and an acrylic resin, and the mass of the vinyl chloride resin relative to the total mass of the peel-off layer 4 is more than 50% by mass but 95% by mass or less, or (ii) the peel-off layer 4 contains a polyester resin that has a number average molecular weight (Mn) of 17,000 or less and a glass transition temperature (Tg) of from 50 DEG C to 120 DEG C (inclusive).

Description

熱轉印薄片,及轉印箔與熱轉印薄片之組合 Thermal transfer sheet, and combination of transfer foil and thermal transfer sheet

本發明有關熱轉印薄片、及轉印箔與熱轉印薄片之組合。 The present invention relates to a thermal transfer sheet and a combination of a transfer foil and a thermal transfer sheet.

如專利文獻1所提案,作為於被轉印體上不受限制地形成影印物之手段,係使用於基材上可剝離地設置包含接受層之轉印層(以下有時稱為轉印層)的中間轉印媒體。依據該中間轉印媒體,使用具有色材層之熱轉印用薄片,於中間轉印媒體之接受層上形成熱轉印圖像,隨後,將含有該接受層之轉印層轉印至任意被轉印體上,可獲得於任意被轉印體上形成熱轉印圖像之影印物。尤其,中間轉印媒體特別較好地使用於色材不易移行而無法直接形成高畫質之圖像之被轉印體、及熱轉印時容易與色材層融合之被轉印體等。 As proposed in Patent Document 1, as a means for forming a photocopy on an object to be transferred without restriction, a transfer layer (hereinafter, sometimes referred to as a transfer layer) including a receiving layer that is releasably provided on a substrate is used. ) Intermediate transfer media. According to the intermediate transfer medium, a thermal transfer sheet having a color material layer is used to form a thermal transfer image on the receiving layer of the intermediate transfer medium, and then the transfer layer containing the receiving layer is transferred to an arbitrary layer. A photocopy of a thermal transfer image can be obtained on any transferee. In particular, the intermediate transfer medium is particularly preferably used for a transfer body in which a color material is difficult to migrate and cannot directly form a high-quality image, and a transfer body that is easily fused with a color material layer during thermal transfer.

不過,根據可於被轉印體上轉印中間轉印媒體之轉印層之影印物種類而定,亦有必須預先殘存設置IC晶片部、磁紋部、收發訊息用天線部、署名部等之區域之情況,亦有於被轉印體表面存在以轉印層覆蓋之不良區域之情況。換言之,亦有必須使被轉印體表面露出之情 況。 However, depending on the type of photocopying material that can be used to transfer the transfer layer of the intermediate transfer medium to the transferee, there must be an IC chip section, a magnetic pattern section, an antenna section for transmitting and receiving information, and a signature section. In some cases, there may be a defective area covered by the transfer layer on the surface of the transfer target. In other words, it may be necessary to expose the surface of the transferee. condition.

此等況狀下,嘗試使用於基材之一面上設置剝除層之熱轉印薄片,於被轉印體上,在轉印中間轉印媒體之轉印層之前之階段,預先藉由剝除層去除轉印層之預定區域例如不期望對被轉印體進行轉印之轉印層之區域(有時亦稱為剝除)。例如於專利文獻2中,提案以使熱轉印薄片之剝除層與中間轉印媒體之轉印層接觸之方式重疊後,於熱轉印薄片之基材之另一面側施加能量,將對應於經施加能量之區域之轉印層之特定區域藉由剝除層而去除之方法等。 In these cases, try to use a thermal transfer sheet with a peeling layer on one side of the substrate. On the transferee, before the transfer layer of the intermediate transfer medium is transferred, The predetermined region of the removal layer for removing the transfer layer is, for example, an area of the transfer layer (sometimes referred to as peeling) where transfer of the object to be transferred is not desired. For example, in Patent Document 2, it is proposed that after the peeling layer of the thermal transfer sheet is brought into contact with the transfer layer of the intermediate transfer medium, energy is applied to the other side of the substrate of the thermal transfer sheet, and the corresponding A method of removing a specific region of a transfer layer in a region where energy is applied by removing the layer.

具備上述剝除層之熱轉印薄片中,雖要求具有可正確去除轉印層之特定區域之功能,換言之,要求具有可去除目標轉印層之特定區域之功能,但實際上,應藉由剝除層去除之轉印層之一部分大多會殘存於中間轉印媒體側,針對該點仍有改善餘地。 The thermal transfer sheet having the above-mentioned peeling layer is required to have a function of removing a specific area of the transfer layer correctly, in other words, a function of removing a specific area of a target transfer layer, but in fact, it should be A part of the transfer layer removed by the peeling layer mostly remains on the intermediate transfer medium side, and there is still room for improvement in this regard.

〔先前技術文獻〕 [Previous Technical Literature] 〔專利文獻〕 [Patent Literature]

[專利文獻1]日本特開2014-80016號公報 [Patent Document 1] Japanese Patent Laid-Open No. 2014-80016

[專利文獻2]日本特開2003-326865號公報 [Patent Document 2] Japanese Patent Laid-Open No. 2003-326865

本發明係鑑於該等情況而完成者,其課題主 要在於提供可正確去除轉印層之特定區域之熱轉印薄片、及轉印箔與熱轉印薄片之組合。 The present invention has been completed in view of these circumstances, and its subject matter The point is to provide a thermal transfer sheet that can remove a specific area of the transfer layer correctly, and a combination of a transfer foil and a thermal transfer sheet.

用以解決上述課題之本揭示之實施形態之熱轉印薄片係於基材上設有剝除層之熱轉印薄片,其特徵為前述剝除層至少含有氯乙烯系樹脂及丙烯酸系樹脂,前述氯乙烯系樹脂之質量相對於前述剝除層之總質量為多於50質量%且95質量%以下之範圍。 The thermal transfer sheet according to the embodiment of the present disclosure for solving the above-mentioned problems is a thermal transfer sheet provided with a peeling layer on a substrate, wherein the peeling layer contains at least a vinyl chloride resin and an acrylic resin, The mass of the vinyl chloride-based resin is in a range of more than 50% by mass and less than 95% by mass with respect to the total mass of the release layer.

又,用以解決上述課題之本揭示之實施形態之熱轉印薄片係於基材上設有剝除層之熱轉印薄片,其特徵為前述剝除層含有數平均分子量(Mn)為17000以下且玻璃轉移溫度(Tg)為50℃以上120℃以下之聚酯系樹脂。 In addition, the thermal transfer sheet according to the embodiment of the present disclosure for solving the above-mentioned problems is a thermal transfer sheet provided with a peeling layer on a substrate, and the peeling layer contains a number average molecular weight (Mn) of 17000. Polyester resin having a glass transition temperature (Tg) of 50 ° C or higher and 120 ° C or lower.

又,前述聚酯系樹脂可為數平均分子量(Mn)為3500以上未達9000之聚酯系樹脂。且前述聚酯系樹脂可為玻璃轉移溫度(Tg)為50℃以上100℃以下之聚酯系樹脂。 The polyester resin may be a polyester resin having a number average molecular weight (Mn) of 3500 or more and less than 9,000. The polyester resin may be a polyester resin having a glass transition temperature (Tg) of 50 ° C to 100 ° C.

又,用以解決上述課題之本揭示之實施形態之組合係轉印箔與熱轉印薄片之組合,其特徵為前述轉印箔係呈現於支撐體上設有可自該支撐體剝離之轉印層之構成,前述熱轉印薄片係呈現於基材上設有剝除層之構成,以前述轉印層與前述剝除層對向之方式重疊前述轉印箔與前述熱轉印薄片,在熱轉印薄片之搬送速度為42.3mm/sec,施加於熱轉印薄片之能量為0.143mJ/dot之 條件,藉由前述剝除層去除前述轉印層之特定區域時所測定之前述轉印層與前述剝除層之密著力為0.03N/cm以上。 In addition, a combination of an embodiment of the present disclosure to solve the above-mentioned problems is a combination of a transfer foil and a thermal transfer sheet, characterized in that the transfer foil is provided on a support and is provided with a peelable peeling member from the support. The structure of the printed layer, the thermal transfer sheet is a structure provided with a peeling layer on the substrate, and the transfer foil and the thermal transfer sheet are overlapped so that the transfer layer and the peeling layer face each other, The transfer speed of the thermal transfer sheet is 42.3mm / sec, and the energy applied to the thermal transfer sheet is 0.143mJ / dot. The condition is that the adhesion between the transfer layer and the peeling layer measured when a specific region of the transfer layer is removed by the peeling layer is 0.03 N / cm or more.

又,施加於前述熱轉印薄片之能量於0.1mJ/dot以上0.2mJ/dot以下之範圍內變更時測定之前述密著力為0.03N/cm以上。 The adhesive force measured when the energy applied to the thermal transfer sheet was changed within a range of 0.1 mJ / dot or more and 0.2 mJ / dot or less was 0.03 N / cm or more.

依據本發明之熱轉印薄片、及轉印箔與熱轉印薄片之組合,可藉由剝除層正確地去除轉印層之特定區域。 According to the thermal transfer sheet and the combination of the transfer foil and the thermal transfer sheet of the present invention, a specific region of the transfer layer can be accurately removed by the peeling layer.

1‧‧‧基材 1‧‧‧ substrate

2‧‧‧底塗層 2‧‧‧ undercoat

4‧‧‧剝除層 4‧‧‧ stripping layer

5‧‧‧背面層 5‧‧‧ back layer

7‧‧‧染料層 7‧‧‧ dye layer

8‧‧‧熔融層 8‧‧‧ molten layer

10‧‧‧熱轉印薄片 10‧‧‧ heat transfer sheet

16‧‧‧加熱手段 16‧‧‧ heating means

30‧‧‧中間轉印媒體(轉印箔) 30‧‧‧Intermediate transfer media (transfer foil)

31‧‧‧轉印層 31‧‧‧ transfer layer

A‧‧‧轉印層之周邊端部 A‧‧‧ peripheral end of transfer layer

B‧‧‧IC晶片配置預定區域 B‧‧‧IC chip configuration area

200‧‧‧列印機 200‧‧‧printer

201‧‧‧熱轉印薄片供給手段 201‧‧‧ Thermal transfer sheet supply means

202‧‧‧加熱手段 202‧‧‧Heating means

203‧‧‧熱轉印薄片捲取手段 203‧‧‧heat transfer sheet winding means

204‧‧‧測定手段 204‧‧‧Measurement method

205‧‧‧剝離手段 205‧‧‧ Stripping means

圖1係一實施形態之熱轉印薄片之概略剖面圖。 FIG. 1 is a schematic cross-sectional view of a thermal transfer sheet according to an embodiment.

圖2係顯示一實施形態之熱轉印薄片與中間轉印媒體之組合、施加能量之狀態之概略剖面圖。 FIG. 2 is a schematic cross-sectional view showing a state in which a combination of a thermal transfer sheet and an intermediate transfer medium according to an embodiment is applied with energy.

圖3係顯示比較之熱轉印薄片與中間轉印媒體之組合、施加能量之狀態之概略剖面圖。 FIG. 3 is a schematic cross-sectional view showing a state in which a combination of a comparative thermal transfer sheet and an intermediate transfer medium is applied with energy.

圖4係一實施形態之熱轉印薄片之概略剖面圖。 Fig. 4 is a schematic sectional view of a thermal transfer sheet according to an embodiment.

圖5係與一實施形態之熱轉印薄片組合使用之中間轉印媒體之概略俯視圖。 5 is a schematic plan view of an intermediate transfer medium used in combination with a thermal transfer sheet according to an embodiment.

圖6係顯示一實施形態之熱轉印薄片之藉由剝除層去除轉印層時所用之列印機之一例的概略圖。 FIG. 6 is a schematic diagram showing an example of a printer used when a transfer layer is removed by a peeling layer of a thermal transfer sheet according to an embodiment.

<<熱轉印薄片>> << thermal transfer sheet >>

本揭示一實施形態之熱轉印薄片10(以下稱為一實施形態之熱轉印薄片),如圖1所示,係呈現於基材1之一面上設置剝除層4之構成。且,圖1所示之形態中,於基材1之另一面上設置背面層5,於基材1與剝除層4之間設置底塗層2。又,底塗層2、背面層5係一實施形態之熱轉印薄片中之任意構成。 As shown in FIG. 1, a thermal transfer sheet 10 according to one embodiment of the present disclosure (hereinafter referred to as a thermal transfer sheet according to one embodiment) has a structure in which a peeling layer 4 is provided on one surface of a substrate 1. In the form shown in FIG. 1, a back layer 5 is provided on the other surface of the substrate 1, and an undercoat layer 2 is provided between the substrate 1 and the peeling layer 4. In addition, the undercoat layer 2 and the back surface layer 5 are any one of the thermal transfer sheets of one embodiment.

一實施形態之熱轉印薄片10係為了去除中間轉印媒體之轉印層之特定區域所用之熱轉印薄片,具體而言,如圖2所示,係用以使熱轉印薄片10之剝除層4與中間轉印媒體30之轉印層31重疊,藉由熱壓頭等之加熱手段16對熱轉印薄片10之背面側施加能量,將對應於施加有能量之區域的中間轉印媒體30之轉印層31之特定區域去除所用之熱轉印薄片。以下,雖舉例一實施形態之熱轉印薄片10之藉由剝除層4而去除之轉印層為中間轉印媒體之轉印層之情況加以說明,但一實施形態之熱轉印薄片10之藉由剝除層4而去除之轉印層亦可為保護層轉印薄片之轉印層。中間轉印媒體之轉印層呈現僅由接受層所成之單層構成,或呈現由接受層與其他層積層而成之積層構成,該中間轉印媒體之轉印層係可自支撐體剝離地設置。又,中間轉印媒體之轉印層呈現由2層以上所成之積 層構成時,接受層位於距離支撐體最遠處。且,保護層轉印薄片之轉印層呈現僅由保護層所成之單層構成,或呈現由保護層與其他層積層而成之積層構成,該保護層轉印薄片之轉印層係可自支撐體剝離地設置。作為其他層可舉例剝除層等。又,自支撐體剝離之中間轉印媒體之轉印層及保護層轉印薄片之轉印層設為可轉印於被轉印體上之構成。又,亦可為具備該等以外之轉印層之對象物。又,以下,將使用具有剝除層4之熱轉印薄片10,去除中間轉印媒體30之轉印層31之特定區域時之去除性能稱為「剝除性」。此處,所謂剝除性良好,意指可藉由剝除層4正確地去除轉印層之特定區域,換言之,意指可去除目標之轉印層31。又,本說明書中所稱之熱轉印薄片係適用於熱壓頭等之加熱手段之媒體之總稱,如本發明,用以適用加熱手段去除中間轉印媒體30之轉印層31之一部分所用之呈現於基材一面上設置剝除層4之構成者亦包含於熱轉印薄片。 A thermal transfer sheet 10 according to an embodiment is a thermal transfer sheet used to remove a specific area of a transfer layer of an intermediate transfer medium. Specifically, as shown in FIG. 2, the thermal transfer sheet 10 The peeling layer 4 overlaps the transfer layer 31 of the intermediate transfer medium 30, and energy is applied to the back side of the thermal transfer sheet 10 by a heating means 16 such as a thermal head, and the intermediate transfer corresponding to the area to which the energy is applied is transferred. A specific area of the transfer layer 31 of the print medium 30 is used to remove a thermal transfer sheet. Hereinafter, although the case where the transfer layer removed by the peeling layer 4 of the thermal transfer sheet 10 of one embodiment is a transfer layer of an intermediate transfer medium will be described as an example, the thermal transfer sheet 10 of one embodiment is described. The transfer layer removed by peeling the layer 4 may also be a transfer layer of a protective layer transfer sheet. The transfer layer of the intermediate transfer medium is composed of only a single layer formed by the receiving layer, or it is composed of a laminated layer composed of the receiving layer and other layers. The transfer layer of the intermediate transfer medium is peelable from the support. Ground setting. In addition, the transfer layer of the intermediate transfer medium exhibits a product of two or more layers. In layer construction, the receiving layer is located farthest from the support. In addition, the transfer layer of the protective layer transfer sheet may consist of only a single layer formed by the protective layer, or may consist of a laminated layer formed by laminating the protective layer and other layers. The transfer layer of the protective layer transfer sheet may be It is provided so as to be peeled from the support. Examples of the other layer include a peeling layer. In addition, the transfer layer of the intermediate transfer medium and the protective layer transfer sheet peeled from the support are configured to be transferable to the transfer target. It may be an object provided with a transfer layer other than these. In the following, the removal performance when a specific area of the transfer layer 31 of the intermediate transfer medium 30 is removed using the thermal transfer sheet 10 having the release layer 4 is referred to as "peelability". Here, the good releasability means that a specific region of the transfer layer can be accurately removed by the peeling layer 4, in other words, the target transfer layer 31 can be removed. In addition, the thermal transfer sheet referred to in the present specification is a general term for a medium suitable for heating means such as a thermal head. According to the present invention, it is used for removing a part of the transfer layer 31 of the intermediate transfer medium 30 by applying the heating means. A component in which the peeling layer 4 is provided on one side of the substrate is also included in the thermal transfer sheet.

(基材) (Base material)

關於構成一實施形態之熱轉印薄片10之基材1並未特別限定,可適當選擇熱轉印薄片領域中以往習知者而使用。作為一例可舉例為玻璃紙、電容器紙或石蠟紙等之薄紙,聚對苯二甲酸乙二酯、聚萘二甲酸乙二酯、聚對苯二甲酸丁二酯等、聚伸苯基硫酸酯、聚醚酮或聚醚碸等之耐熱性高的聚酯,聚丙烯、聚碳酸酯、乙酸纖維素、聚乙烯 衍生物、聚氯乙烯、聚偏氯乙烯、聚苯乙烯、聚醯胺、聚醯亞胺、聚甲基戊烯或離子性聚合物等之塑膠之延伸或未延伸薄膜。又,亦可使用將2種以上之該等材料積層而成之複合薄膜。 The base material 1 constituting the thermal transfer sheet 10 according to one embodiment is not particularly limited, and a person conventionally known in the field of thermal transfer sheets can be appropriately selected and used. Examples include thin paper such as cellophane, capacitor paper, or paraffin paper, polyethylene terephthalate, polyethylene naphthalate, polybutylene terephthalate, etc., polyphenylene sulfate, Polyether ketone or polyether fluorene and other heat-resistant polyesters, polypropylene, polycarbonate, cellulose acetate, polyethylene Stretched or unstretched films of plastics such as derivatives, polyvinyl chloride, polyvinylidene chloride, polystyrene, polyimide, polyimide, polymethylpentene, or ionic polymers. A composite film obtained by laminating two or more of these materials may also be used.

基材1之厚度並未特別限定,但較佳為2μm以上10μm以下。又為了提高基材1與後述剝除層4之密著性,亦可對基材1表面實施接著處理。亦即,亦可使用施以接著處理之基材1。作為接著處理,可舉例例如電暈放電處理、火焰處理、臭氧處理、紫外線處理、放射線處理、粗面化處理、化學藥品處理、電漿處理、低溫電漿處理、接枝化處理等之習知之樹脂表面改質技術。又,亦可併用2種以上之該等處理。又,除使用施以接著處理之基材1以外,亦可於基材1與剝除層4之間與施以接著處理之基材1一起設有後述之底塗層2。 The thickness of the substrate 1 is not particularly limited, but is preferably 2 μm or more and 10 μm or less. In order to improve the adhesion between the substrate 1 and the peeling layer 4 described later, the surface of the substrate 1 may be subjected to a subsequent treatment. That is, the substrate 1 subjected to the subsequent treatment may be used. Examples of the subsequent treatment include corona discharge treatment, flame treatment, ozone treatment, ultraviolet treatment, radiation treatment, roughening treatment, chemical treatment, plasma treatment, low-temperature plasma treatment, and graft treatment. Resin surface modification technology. In addition, two or more of these processes may be used in combination. In addition to using the substrate 1 subjected to the subsequent treatment, an undercoat layer 2 described below may be provided between the substrate 1 and the peeling layer 4 together with the substrate 1 subjected to the subsequent treatment.

(第1形態之剝除層) (Stripping layer of the first form)

構成一實施形態之熱轉印薄片10之剝除層4係如圖2所示,為發揮除去中間轉印媒體30之轉印層31之特定區域(期望去除之區域)的角色之層。具體而言,係用以將中間轉印媒體30之轉印層31與熱轉印薄片10之剝除層4重疊,藉由熱壓頭等之加熱手段16對熱轉印薄片10之背面側施加能量,將處於對應於施加能量之區域之位置的轉印層31去除之層。又,圖2、圖3所示之形態之中間轉印媒體30呈現於支撐體上設置轉印層31之構成。 As shown in FIG. 2, the peeling layer 4 constituting the thermal transfer sheet 10 according to an embodiment is a layer that plays a role of removing a specific region (a region desired to be removed) of the transfer layer 31 of the intermediate transfer medium 30. Specifically, it is used to overlap the transfer layer 31 of the intermediate transfer medium 30 and the peeling layer 4 of the thermal transfer sheet 10, and the back side of the thermal transfer sheet 10 is heated by a heating means 16 such as a thermal head. Energy is applied to remove the transfer layer 31 at a position corresponding to the area where the energy is applied. The intermediate transfer medium 30 in the form shown in Figs. 2 and 3 has a structure in which a transfer layer 31 is provided on a support.

此處,一實施形態之熱轉印薄片10之特徵係剝除層4含有氯乙烯系樹脂與丙烯酸系樹脂,氯乙烯系樹脂之質量相對於剝除層4之總質量為多於50質量%且95質量%以下之範圍。以下有時將具有該特徵之剝除層稱為第1形態之剝除層。 Here, the characteristic of the thermal transfer sheet 10 according to one embodiment is that the peeling layer 4 contains a vinyl chloride resin and an acrylic resin, and the mass of the vinyl chloride resin is more than 50% by mass relative to the total mass of the peeling layer 4. In addition, it is in a range of 95% by mass or less. Hereinafter, the peeling layer having this characteristic may be referred to as a peeling layer of the first aspect.

依據具有第1形態之剝除層之一實施形態之熱轉印薄片10,藉由該第1形態之剝除層4,可正確地去除期望去除之轉印層31的特定區域。 According to the thermal transfer sheet 10 which is one embodiment of the peeling layer of the first aspect, the specific area of the transfer layer 31 to be removed can be accurately removed by the peeling layer 4 of the first aspect.

又,剝除層4含有氯乙烯系樹脂與丙烯酸系樹脂之情況下,於氯乙烯系樹脂之質量相對於剝除層4之總質量為50質量%以下時,無法充分滿足剝除性。具體而言,無法正確去除期望利用剝除層去除之轉印層之去除區域與位於與非去除區域之交界附近之轉印層,原本應去除之轉印層之去除區域之一部分容易殘存於中間轉印媒體側,無法正確去除期望去除之轉印層31之特定區域。或者,以去除區域與非去除區域之交界為起點時,拖拉非去除區域之轉印層,而去除非去除區域之轉印層之一部分,使原本應殘存於中間轉印媒體側之轉印層亦即非去除區域之轉印層與對應於去除區域之轉印層一起去除,而無法正確去除期望去除之轉印層31之特定區域。 Moreover, when the peeling layer 4 contains a vinyl chloride-type resin and an acrylic resin, when the mass of a vinyl chloride-type resin with respect to the total mass of the peeling layer 4 is 50 mass% or less, peelability cannot fully be satisfied. Specifically, the removal area of the transfer layer that is expected to be removed by the peeling layer and the transfer layer located near the boundary with the non-removed area cannot be removed correctly, and a part of the removal area of the transfer layer that should have been removed tends to remain in the middle On the transfer medium side, a specific area of the transfer layer 31 to be removed cannot be removed correctly. Alternatively, when the boundary between the removed area and the non-removed area is used as a starting point, the transfer layer of the non-removed area is dragged, and a part of the transfer layer of the non-removed area is removed, so that the transfer layer that should originally remain on the intermediate transfer medium side That is, the transfer layer of the non-removed area is removed together with the transfer layer corresponding to the removed area, and a specific area of the transfer layer 31 that is desired to be removed cannot be removed correctly.

又,剝除層4含有氯乙烯系樹脂與丙烯酸系樹脂之情況下,於氯乙烯系樹脂之質量相對於剝除層4之總質量超過95質量%時,中間轉印媒體30之轉印層31與剝除層4之密著性過強,而容易產生如圖3所示,依據 原本應殘存於熱轉印薄片10側之剝除層4成為在中間轉印媒體30側之問題。 When the peeling layer 4 contains a vinyl chloride resin and an acrylic resin, when the mass of the vinyl chloride resin relative to the total mass of the peeling layer 4 exceeds 95% by mass, the transfer layer of the intermediate transfer medium 30 The adhesion between 31 and stripping layer 4 is too strong, and it is easy to produce as shown in Figure 3, according to The peeling layer 4 that should have remained on the thermal transfer sheet 10 side becomes a problem on the intermediate transfer medium 30 side.

又,即使剝除層4以相對於剝除層4之總質量多於50質量%且95質量%以下之範圍內含有氯乙烯系樹脂之情況,於不含丙烯酸系樹脂時,基材1與剝除層4之密著性會降低,亦容易產生如圖3所示,依據原本應殘存於熱轉印薄片10側之剝除層4成為在中間轉印媒體30側之問題。 In addition, even when the peeling layer 4 contains a vinyl chloride resin in a range of more than 50% by mass and less than 95% by mass relative to the total mass of the peeling layer 4, when the acrylic resin is not contained, the base material 1 and The adhesiveness of the peeling layer 4 is reduced, and as shown in FIG. 3, the problem that the peeling layer 4 that should originally remain on the thermal transfer sheet 10 side becomes the side of the intermediate transfer medium 30 is easy to occur.

藉由含有氯乙烯系樹脂及丙烯酸系樹脂,並且氯乙烯系樹脂之含量相對於剝除層之總質量為多於50質量%且95質量%以下之範圍內,可實現剝除性之提高的機制目前尚未明瞭,但至少由後述之實施例及比較例之結果所明瞭,氯乙烯系樹脂之含量,及與氯乙烯系樹脂併用之丙烯酸系樹脂對於剝除性賦予影響。 By containing a vinyl chloride resin and an acrylic resin, and the content of the vinyl chloride resin relative to the total mass of the peeling layer is in a range of more than 50% by mass and 95% by mass or less, improvement in peelability can be achieved. The mechanism is not clear at present, but it is at least clear from the results of the examples and comparative examples described below that the content of vinyl chloride resin and acrylic resin used in combination with vinyl chloride resin have an effect on the releasability.

較佳之第1形態之剝除層4係以相對於剝除層4之總質量為70質量%以上90質量%以下之範圍,尤其以80質量%以上90質量%以下之範圍含有氯乙烯系樹脂。 The peeling layer 4 of the preferable 1st form contains a vinyl chloride resin in the range of 70 mass% or more and 90 mass% or less with respect to the total mass of the peeling layer 4, especially 80 mass% or more and 90 mass% or less. .

<氯乙烯系樹脂> <Vinyl chloride resin>

本說明書所稱之氯乙烯系樹脂意指由氯乙烯均聚合而成之聚合物、氯乙烯及可與氯乙烯共聚合之其他單體之共聚物,及該聚合物及該共聚物之混合物。作為可與氯乙烯共聚合之其他單體舉例為例如偏氯乙烯、乙烯、丙烯、丙 烯腈、馬來酸、依康酸、丙烯酸、甲基丙烯酸、乙酸乙烯酯等。該等氯乙烯系樹脂可為藉由乳化聚合法、懸浮聚合法、溶液聚合法、塊狀聚合法等之以往習知之製造法中之任一方法製造者。且,亦可為藉由該等以外之方法製造者。 The vinyl chloride resin referred to in this specification means a polymer obtained by homopolymerizing vinyl chloride, a copolymer of vinyl chloride and other monomers copolymerizable with vinyl chloride, and a mixture of the polymer and the copolymer. Examples of other monomers copolymerizable with vinyl chloride include, for example, vinylidene chloride, ethylene, propylene, and propylene Acrylonitrile, maleic acid, itaconic acid, acrylic acid, methacrylic acid, vinyl acetate, etc. These vinyl chloride-based resins can be produced by any one of conventionally known production methods such as an emulsion polymerization method, a suspension polymerization method, a solution polymerization method, and a block polymerization method. Moreover, it may be a manufacturer by other methods.

該等氯乙烯系樹脂中,氯乙烯-乙酸乙烯酯共聚物基於可實現剝除性之進一步提高之觀點可謂較佳之氯乙烯系樹脂。 Among these vinyl chloride-based resins, a vinyl chloride-vinyl acetate copolymer can be said to be a preferred vinyl chloride-based resin from the viewpoint of achieving further improvement in releasability.

又,作為氯乙烯系樹脂,亦可使用藉由硬化劑使上述氯乙烯系樹脂硬化之硬化氯乙烯系樹脂。作為硬化劑可舉例為例如異氰酸酯系硬化劑等。 In addition, as the vinyl chloride-based resin, a hardened vinyl chloride-based resin in which the above-mentioned vinyl chloride-based resin is hardened by a hardener may also be used. Examples of the curing agent include isocyanate-based curing agents.

較佳之第1形態之剝除層4含有數平均分子量(Mn)為10000以上30000以下之氯乙烯系樹脂。且,較佳之第1形態之剝除層4含有玻璃轉移溫度Tg為60℃以上80℃以下之氯乙烯系樹脂。依據較佳之第1形態之剝除層4,可實現剝除性之進一步提高。又,本說明書所稱之數平均分子量(Mn)意指根據JIS-K7252-1(2008),藉由GPC側定之聚苯乙烯換算之平均分子量。後述之重量平均分子量(Mw)亦同樣。又,本說明書中所稱之玻璃轉移溫度(Tg)意指依據JIS-K-7121(2012),基於DSC(示差掃描熱量測定)之熱量變化測定(DSC法)求得之溫度。 The peeling layer 4 of the preferable 1st aspect contains the vinyl chloride-type resin whose number average molecular weight (Mn) is 10,000 or more and 30,000 or less. Moreover, the peeling layer 4 of the preferable 1st aspect contains the vinyl chloride-type resin whose glass transition temperature Tg is 60 degreeC or more and 80 degreeC or less. According to the stripping layer 4 of the preferred first form, the stripping property can be further improved. In addition, the number average molecular weight (Mn) referred to in the present specification means an average molecular weight in terms of polystyrene according to JIS-K7252-1 (2008) determined by GPC. The same applies to the weight average molecular weight (Mw) described later. In addition, the glass transition temperature (Tg) referred to in the present specification means a temperature obtained by a thermal change measurement (DSC method) based on DSC (differential scanning calorimetry) in accordance with JIS-K-7121 (2012).

<丙烯酸系樹脂> <Acrylic resin>

本說明書所稱之丙烯酸系樹脂意指丙烯酸或甲基丙烯 酸之單體之聚合物、或其衍生物、丙烯酸酯或甲基丙烯酸酯之單體之聚合物、或其衍生物、丙烯酸或甲基丙烯酸之單體與其他單體之共聚物、或其衍生物、丙烯酸酯或甲基丙烯酸酯之單體與其他單體之共聚物、或其衍生物、丙烯酸單體與丙烯酸酯單體之共聚物、丙烯酸單體與甲基丙烯酸酯單體之共聚物、甲基丙烯酸單體與丙烯酸酯單體之共聚物、甲基丙烯酸單體與甲基丙烯酸酯單體之共聚物。 The acrylic resin referred to in this specification means acrylic acid or methacrylic acid. Polymers of acid monomers, or derivatives thereof, polymers of acrylate or methacrylate monomers, or derivatives thereof, copolymers of acrylic or methacrylic monomers with other monomers, or Derivatives, copolymers of acrylate or methacrylate monomers and other monomers, or their derivatives, copolymers of acrylic monomers and acrylate monomers, copolymerization of acrylic monomers and methacrylate monomers Polymers, copolymers of methacrylic monomers and acrylate monomers, copolymers of methacrylic monomers and methacrylate monomers.

作為丙烯酸酯及甲基丙烯酸酯單體可舉例為例如丙烯酸環己酯、甲基丙烯酸環己酯、丙烯酸戊酯、甲基丙烯酸戊酯、丙烯酸苯氧基乙酯、甲基丙烯酸苯氧基乙酯、丙烯酸異冰片酯、甲基丙烯酸異冰片酯、丙烯酸二環戊烯酯、甲基丙烯酸二環戊烯酯、丙烯酸甲酯、甲基丙烯酸甲酯、丙烯酸乙酯、甲基丙烯酸乙酯、丙烯酸丙酯、甲基丙烯酸丙酯、丙烯酸丁酯、甲基丙烯酸丁酯、丙烯酸異丁酯、甲基丙烯酸異丁酯、丙烯酸第三丁酯、甲基丙烯酸第三丁酯、丙烯酸異癸酯、甲基丙烯酸異癸酯、丙烯酸月桂酯、甲基丙烯酸月桂酯、丙烯酸月桂基十三烷酯、甲基丙烯酸月桂基十三烷酯、丙烯酸十三烷酯、甲基丙烯酸十三烷酯、丙烯酸鯨蠟基硬脂酯、甲基丙烯酸鯨蠟基硬脂酯、丙烯酸硬脂酯、甲基丙烯酸硬脂酯、丙烯酸2-乙基己酯、甲基丙烯酸2-乙基己酯、丙烯酸辛酯、甲基丙烯酸辛酯、丙烯酸環己酯、甲基丙烯酸環己酯、丙烯酸苄酯、甲基丙烯酸苄酯、丙烯酸苯氧基乙酯、甲基丙烯酸苯氧基乙酯、甲基丙烯酸、丙烯酸、丙烯酸2-羥基乙酯、甲基丙烯 酸2-羥基乙酯、丙烯酸2-羥基丙酯、甲基丙烯酸2-羥基丙酯、丙烯酸二甲胺基乙酯、甲基丙烯酸二甲胺基乙酯、丙烯酸二乙胺基乙酯、甲基丙烯酸二乙胺基乙酯、丙烯酸第三丁胺基乙酯、甲基丙烯酸第三丁胺基乙酯、丙烯酸縮水甘油酯、甲基丙烯酸縮水甘油酯、丙烯酸四氫糠酯、甲基丙烯酸四氫糠酯、二丙烯酸乙二酯、二甲基丙烯酸乙二酯、二乙二醇二丙烯酸酯、二乙二醇二甲基丙烯酸酯、三乙二醇二丙烯酸酯、三乙二醇二甲基丙烯酸酯、四乙二醇二丙烯酸酯、四乙二醇二甲基丙烯酸酯、十乙二醇二丙烯酸酯、十乙二醇二甲基丙烯酸酯、十五乙二醇二丙烯酸酯、十五乙二醇二甲基丙烯酸酯、一百五十乙二醇(pentacontahectaethylene glycol)二丙烯酸酯、一百五十乙二醇二甲基丙烯酸酯、二丙烯酸丁二酯、二甲基丙烯酸丁二酯、丙烯酸烯丙酯、甲基丙烯酸烯丙酯、三羥甲基丙烷三丙烯酸酯、三羥甲基丙烷三甲基丙烯酸酯、1,6-己二醇二丙烯酸酯、1,6-己二醇二甲基丙烯酸酯、三丙二醇二丙烯酸酯、三丙二醇二甲基丙烯酸酯、季戊四醇四丙烯酸酯、季戊四醇四甲基丙烯酸酯、二季戊四醇六丙烯酸酯、二季戊四醇六甲基丙烯酸酯、新戊二醇五丙烯酸酯、新戊二醇五甲基丙烯酸酯、磷腈六丙烯酸酯、磷腈六甲基丙烯酸酯等。 Examples of the acrylate and methacrylate monomers include cyclohexyl acrylate, cyclohexyl methacrylate, pentyl acrylate, pentyl methacrylate, phenoxyethyl acrylate, and phenoxyethyl methacrylate. Ester, isobornyl acrylate, isobornyl methacrylate, dicyclopentenyl acrylate, dicyclopentenyl methacrylate, methyl acrylate, methyl methacrylate, ethyl acrylate, ethyl methacrylate, Propyl acrylate, propyl methacrylate, butyl acrylate, butyl methacrylate, isobutyl acrylate, isobutyl methacrylate, third butyl acrylate, third butyl methacrylate, isodecyl acrylate , Isodecyl methacrylate, lauryl acrylate, lauryl methacrylate, lauryl tridecyl acrylate, lauryl tridecyl methacrylate, tridecyl acrylate, tridecyl methacrylate, Cetyl stearyl acrylate, cetyl stearyl methacrylate, stearyl acrylate, stearyl methacrylate, 2-ethylhexyl acrylate, 2-ethylhexyl methacrylate, acrylic acid Octyl ester, octyl methacrylate, cyclohexyl acrylate, cyclohexyl methacrylate, benzyl acrylate, benzyl methacrylate, phenoxyethyl acrylate, phenoxyethyl methacrylate, methacrylic acid , Acrylic acid, 2-hydroxyethyl acrylate, methacrylic acid 2-hydroxyethyl acid, 2-hydroxypropyl acrylate, 2-hydroxypropyl methacrylate, dimethylaminoethyl acrylate, dimethylaminoethyl methacrylate, diethylaminoethyl acrylate, methyl Diethylaminoethyl acrylate, tertiary butylamino acrylate, tertiary butylamino methacrylate, glycidyl acrylate, glycidyl methacrylate, tetrahydrofurfuryl acrylate, methacrylic acid Tetrahydrofurfuryl ester, ethylene diacrylate, ethylene dimethacrylate, diethylene glycol diacrylate, diethylene glycol dimethacrylate, triethylene glycol diacrylate, triethylene glycol diacrylate Methacrylate, tetraethylene glycol diacrylate, tetraethylene glycol dimethacrylate, decaethylene glycol diacrylate, decaethylene glycol dimethacrylate, pentaethylene glycol diacrylate, Fifteen ethylene glycol dimethacrylate, pentacontahectaethylene glycol diacrylate, one hundred and fifty ethylene glycol dimethacrylate, butyl diacrylate, butyl dimethacrylate Diester, allyl acrylate, allyl methacrylate , Trimethylolpropane triacrylate, trimethylolpropane trimethacrylate, 1,6-hexanediol diacrylate, 1,6-hexanediol dimethacrylate, tripropylene glycol diacrylate , Tripropylene glycol dimethacrylate, pentaerythritol tetraacrylate, pentaerythritol tetramethacrylate, dipentaerythritol hexaacrylate, dipentaerythritol hexamethacrylate, neopentyl glycol pentaacrylate, neopentyl glycol pentamethyl Acrylate, phosphazene hexaacrylate, phosphazene hexamethacrylate and the like.

作為其他單體可舉例為例如芳香族烴、含丙烯基之化合物、含醯胺基之化合物及氯乙烯等,苯乙烯、苄基苯乙烯、甲基丙烯酸苯氧基乙酯、丙烯醯胺、及甲基 丙烯醯胺等。 Examples of other monomers include aromatic hydrocarbons, compounds containing propylene groups, compounds containing fluorenyl groups, vinyl chloride, and the like, styrene, benzylstyrene, phenoxyethyl methacrylate, acrylamide, Methyl Acrylamide and so on.

且,作為丙烯酸系樹脂,舉例為例如丙烯酸烷酯之1種或2種以上、與(甲基)丙烯酸2-羥基乙酯、(甲基)丙烯酸2-羥基丁酯、(甲基)丙烯酸2-羥基-3-苯氧基丙酯等之分子中具有羥基之(甲基)丙烯酸酯之1種或2種以上、與根據需要之苯乙烯等之其他聚合性單體1種或2種以上共聚合而得之丙烯酸系多元醇樹脂等。 Examples of the acrylic resin include, for example, one or two or more alkyl acrylates, 2-hydroxyethyl (meth) acrylate, 2-hydroxybutyl (meth) acrylate, and 2 (meth) acrylic acid. -One or two or more (meth) acrylates having a hydroxyl group in a molecule such as hydroxy-3-phenoxypropyl, and one or two or more other polymerizable monomers such as styrene as necessary Acrylic polyol resin and the like obtained by copolymerization.

較佳之第1形態之剝除層4含有重量平均分子量(Mw)為20000以上50000以下之丙烯酸系樹脂。且,較佳之第1形態之剝除層4含有玻璃轉移溫度(Tg)為80℃以上120℃以下之丙烯酸系樹脂。依據較佳之第1形態之剝除層4,可實現剝除性之進一步提高。 The peeling layer 4 of the preferable 1st aspect contains the acrylic resin whose weight average molecular weight (Mw) is 20,000 or more and 50,000 or less. In addition, the preferred peeling layer 4 of the first aspect contains an acrylic resin having a glass transition temperature (Tg) of 80 ° C to 120 ° C. According to the stripping layer 4 of the preferred first form, the stripping property can be further improved.

又,作為丙烯酸系樹脂,亦可使用藉由硬化劑使上述丙烯酸系樹脂硬化之硬化丙烯酸系樹脂。作為硬化劑可舉例例如異氰酸酯系硬化劑等。 In addition, as the acrylic resin, a hardened acrylic resin that hardens the acrylic resin with a curing agent may be used. Examples of the curing agent include isocyanate-based curing agents.

關於丙烯酸系樹脂含量並未特別限定,較佳相對於第1形態之剝除層4之總質量,為10質量%以上30質量%以下之範圍。 The content of the acrylic resin is not particularly limited, but it is preferably in a range of 10% by mass or more and 30% by mass or less with respect to the total mass of the peeling layer 4 in the first aspect.

第1形態之剝除層4亦可與上述氯乙烯系樹脂及丙烯酸系樹脂一起含有其他成分。作為其他成分可舉例為例如聚酯系樹脂、乙基纖維素、羥基纖維素、羥丙基纖維素、甲基纖維素、乙酸纖維素、乙酸丁酸纖維素、硝基纖維素等之纖維素系樹脂,聚乙烯醇、聚乙酸乙烯酯、聚乙烯縮丁醛、聚乙烯縮乙醛、聚乙烯吡咯啶酮等之乙烯 系樹脂,聚甲基丙烯酸甲酯、聚丙烯酸乙酯、聚丙烯醯胺、丙烯腈-苯乙烯共聚物等之丙烯酸系樹脂,聚醯胺樹脂、聚乙烯甲苯樹脂、香豆酮茚樹脂、聚胺基甲酸酯樹脂、聚矽氧改性或氟改性胺基甲酸酯等之天然或合成樹脂之單體或混合物等。 The peeling layer 4 of the first aspect may contain other components together with the vinyl chloride resin and the acrylic resin. Examples of other components include celluloses such as polyester resins, ethyl cellulose, hydroxy cellulose, hydroxypropyl cellulose, methyl cellulose, cellulose acetate, cellulose acetate butyrate, and nitro cellulose. Resin, polyvinyl alcohol, polyvinyl acetate, polyvinyl butyral, polyvinyl acetal, polyvinyl pyrrolidone, etc. Resins, acrylic resins such as polymethyl methacrylate, polyethyl acrylate, polyacrylamide, acrylonitrile-styrene copolymers, polyamidamine resin, polyvinyl toluene resin, coumarone indene resin, poly Monomers or mixtures of natural or synthetic resins such as urethane resins, polysiloxane-modified or fluorine-modified urethanes.

關於第1形態之剝除層4之形成方法並未特別限定,可藉由調製添加有氯乙烯系樹脂、丙烯酸系樹脂及根據需要之任意樹脂、及無機或有機填充劑等添加材之剝除層用塗佈液,將該塗佈液塗佈於基材1上或設置於基材1上之任意層上並乾燥而形成。剝除層用塗佈液之塗佈方法並未特別限定,可適當選擇使用以往習知之塗佈方法。作為塗佈方法可舉例為例如凹版印刷法、網版印刷法、使用凹版之逆輥塗佈法等。又,亦可使用其以外之塗佈方法。此針對後述之各種塗佈液之塗佈方法亦相同。 The method for forming the peeling layer 4 of the first aspect is not particularly limited, and it can be prepared by adding additives such as vinyl chloride resin, acrylic resin, and any resin as needed, and inorganic or organic fillers. The coating liquid for a layer is formed by coating the coating liquid on the base material 1 or any layer provided on the base material 1 and drying it. The coating method of the coating liquid for a peeling layer is not specifically limited, A conventionally well-known coating method can be selected suitably and used. Examples of the coating method include a gravure printing method, a screen printing method, and a reverse roll coating method using a gravure. Moreover, other coating methods may be used. The same applies to various coating liquids described later.

關於第1形態之剝除層4之厚度並未特別限定,較佳為0.1μm以上5μm以下之範圍。關於後述之第2形態之剝除層4亦相同。 The thickness of the peeling layer 4 of the first aspect is not particularly limited, but it is preferably in a range of 0.1 μm to 5 μm. The same applies to the peeling layer 4 of the second aspect described later.

(第2形態之剝除層) (Stripping layer of the second form)

亦可替代上述說明之第1形態之剝除層4,而使用含有數平均分子量(Mn)為17000以下且玻璃轉移溫度(Tg)為50℃以上120℃以下之聚酯系樹脂之第2形態之剝除層4。依據具有第2形態之剝除層4之熱轉印薄片10,可正確地去除期望去除之轉印層31之特定區域。尤其,即使 轉印層31厚度增厚時,亦可正確地去除期望去除之轉印層31之特定區域。又,本說明書中,僅稱為剝除層時,係指第1形態及第2形態之剝除層兩者。 Instead of the peeling layer 4 of the first form described above, the second form using a polyester resin containing a number average molecular weight (Mn) of 17,000 or less and a glass transition temperature (Tg) of 50 ° C or higher and 120 ° C or lower may be used. The stripping layer 4. According to the thermal transfer sheet 10 having the peeling layer 4 of the second aspect, a specific region of the transfer layer 31 to be removed can be accurately removed. Especially, even When the thickness of the transfer layer 31 is increased, a specific region of the transfer layer 31 to be removed can also be accurately removed. In addition, in this specification, when it is only called a peeling layer, it means both the peeling layer of a 1st form and a 2nd form.

第2形態之剝除層4之特徵係該第2形態之剝除層4含有之聚酯系樹脂為滿足以下條件1、2之聚酯系樹脂。 The feature of the peeling layer 4 of the second aspect is that the polyester resin contained in the peeling layer 4 of the second aspect is a polyester resin that satisfies the following conditions 1 and 2.

條件1:聚酯系樹脂之數平均分子量(Mn)為17000以下。 Condition 1: The number average molecular weight (Mn) of the polyester-based resin is 17,000 or less.

條件2:聚酯系樹脂之玻璃轉移溫度(Tg)為50℃以上120℃以下之範圍內。 Condition 2: The glass transition temperature (Tg) of the polyester resin is within a range of 50 ° C to 120 ° C.

以下,滿足上述條件1、2之聚酯系樹脂有時稱為「特定聚酯系樹脂」。 Hereinafter, the polyester resin which satisfies the conditions 1 and 2 may be referred to as a "specific polyester resin".

又,於替代「特定聚酯系樹脂」而於剝除層中含有未滿足條件1、2之任一者或兩者之聚酯系樹脂、或含與「特定聚酯系樹脂」不同之樹脂時,無法充分滿足剝除性。具體而言,無法正確去除位於期望利用剝除層去除之轉印層之去除區域與非去除區域之交界附近的轉印層,原本應去除之轉印層之去除區域之一部分易殘存於中間轉印媒體側,而無法正確去除期望去除之轉印層31的特定區域。或者,以去除區域與非去除區域之交界為起點時,會拖拉非去除區域之轉印層,去除非去除區域之轉印層之一部分,使原本應殘存於中間轉印媒體側之轉印層,亦即非去除區域之轉印層會與對應於去除區域之轉印層一起被去除,而無法正確去除期望去除之轉印層31之特定 區域。 In addition, instead of the "specific polyester resin", the peeling layer contains a polyester resin that does not satisfy any one or both of conditions 1 and 2, or a resin different from the "specific polyester resin". Time, it cannot fully satisfy the stripping property. Specifically, the transfer layer located near the boundary between the removed area and the non-removed area of the transfer layer that is expected to be removed by the peeling layer cannot be removed correctly, and a part of the removed area of the transfer layer that should have been removed tends to remain in the intermediate transfer. On the printing medium side, specific areas of the transfer layer 31 that are desired to be removed cannot be removed correctly. Or, when the boundary between the removed area and the non-removed area is used as a starting point, the transfer layer of the non-removed area will be dragged to remove a part of the transfer layer of the non-removed area, so that the transfer layer that should originally remain on the intermediate transfer medium side That is, the transfer layer in the non-removed area will be removed together with the transfer layer corresponding to the removed area, and the specificity of the transfer layer 31 that is desired to be removed cannot be removed correctly. region.

藉由設為含有「特定聚酯系樹脂」之第2形態之剝除層4,可實現剝除性之提高的機制目前尚未明瞭,但至少由後述之實施例及比較例之結果所明瞭,聚酯系樹脂之數平均分子量(Mn)及玻璃轉移溫度(Tg)對於剝除性賦予影響。 The mechanism for improving the releasability by using the second layer of the "specific polyester-based resin" as the peeling layer 4 is not yet clear, but at least the results of the examples and comparative examples described later, The number average molecular weight (Mn) and the glass transition temperature (Tg) of the polyester-based resin exert influence on the releasability.

本說明書所稱之聚酯系樹脂意指由多元羧酸與多元醇藉由聚縮合所得之含有酯基之聚合物。作為多元羧酸舉例為例如對苯二甲酸、間苯二甲酸、鄰苯二甲酸、2,6-萘二羧酸、己二酸、癸二酸、癸烷二羧酸、壬二酸、十二烷二羧酸、環己烷二羧酸等。又,作為多元醇舉例為例如乙二醇、丙二醇、丁二醇、戊二醇、己二醇、新戊二醇、1,4-環己烷二甲醇、癸二醇、2-乙基丁基-1-丙二醇、雙酚A等。再者聚酯系樹脂可為3種以上之多元羧酸及多元醇之共聚合,亦可為與二乙二醇、三乙二醇、聚乙二醇等之單體或聚合物之共聚物。又,本說明書中所稱之聚酯系樹脂亦包含上述聚酯系樹脂之改性物。作為聚酯系樹脂之改性物可舉例為例如聚酯胺基甲酸酯樹脂等。 The polyester resin referred to in this specification means an ester group-containing polymer obtained by polycondensation of a polycarboxylic acid and a polyhydric alcohol. Examples of the polycarboxylic acid include terephthalic acid, isophthalic acid, phthalic acid, 2,6-naphthalenedicarboxylic acid, adipic acid, sebacic acid, decanedicarboxylic acid, azelaic acid, and deca Dioxanedicarboxylic acid, cyclohexanedicarboxylic acid, etc. Examples of the polyhydric alcohol include ethylene glycol, propylene glycol, butanediol, pentanediol, hexanediol, neopentyl glycol, 1,4-cyclohexanedimethanol, decanediol, and 2-ethylbutane. 1-propanediol, bisphenol A, etc. Furthermore, the polyester resin can be copolymerized with more than three kinds of polycarboxylic acids and polyhydric alcohols, and can also be a copolymer with monomers or polymers such as diethylene glycol, triethylene glycol, and polyethylene glycol. . The polyester-based resin referred to in the present specification also includes modified products of the polyester-based resin. Examples of the modified product of the polyester-based resin include a polyester urethane resin and the like.

第2形態之剝除層4亦可與上述「特定聚酯系樹脂」一起含有其他成分。作為其他成分可舉例為例如未滿足條件1、2之任一者或兩者之聚酯系樹脂或上述第1形態之剝除層4中說明之其他成分。 The peeling layer 4 of the second aspect may contain other components together with the "specific polyester resin". Examples of the other component include, for example, a polyester resin that does not satisfy any one or both of the conditions 1 and 2, or other components described in the peeling layer 4 of the first aspect.

又,第2形態之剝除層4亦可含有滿足上述條件1、2且其數平均分子量(Mn)或玻璃轉移溫度(Tg)不 同之2種以上之「特定聚酯系樹脂」。 In addition, the peeling layer 4 of the second aspect may contain a number average molecular weight (Mn) or a glass transition temperature (Tg) that satisfies the conditions 1 and 2 described above. Same as two or more "specific polyester resins".

關於上述「特定聚酯系樹脂」之含量並未限定,不管其含量,只要剝除層4中含有「特定聚酯系樹脂」,即可實現剝除性之提高。作為一例之「特定聚酯系樹脂」之含量,相對於第2形態之剝除層4之總質量為5質量%以上,較佳為10質量%以上,更佳為15質量%以上,特佳為20質量%以上。關於上限值並未限定,而可為100質量%。 The content of the "specific polyester-based resin" is not limited. Regardless of the content, as long as the "specific polyester-based resin" is contained in the peeling layer 4, the peelability can be improved. As an example, the content of the "specific polyester resin" is 5 mass% or more, preferably 10 mass% or more, more preferably 15 mass% or more, and particularly good with respect to the total mass of the peeling layer 4 in the second form. It is 20% by mass or more. The upper limit value is not limited, but may be 100% by mass.

關於「特定聚酯系樹脂」之數平均分子量(Mn)下限值並未特別限定,較佳為2500以上,更佳為3500以上。 The lower limit of the number-average molecular weight (Mn) of the "specific polyester-based resin" is not particularly limited, but is preferably 2500 or more, and more preferably 3500 or more.

較佳之第2形態之剝除層4係含有數平均分子量(Mn)未達9000,更好8000以下且滿足上述條件2之聚酯系樹脂作為「特定聚酯系樹脂」。且,較佳之第2形態之剝除層4係含有滿足上述條件1且玻璃轉移溫度(Tg)為50℃以上100℃以下之聚酯樹脂作為「特定聚酯系樹脂」。特佳之第2形態之剝除層4係含有數平均分子量(Mn)未達9000,更好8000以下且玻璃轉移溫度(Tg)為50℃以上100℃以下之聚酯樹脂作為「特定聚酯系樹脂」。依據該等較佳之第2形態之剝除層4,可實現剝除性之進一步提高。 A preferred second embodiment of the peeling layer 4 contains a polyester resin having a number average molecular weight (Mn) of less than 9,000, more preferably 8,000 or less and satisfying the above Condition 2 as a "specific polyester resin". In addition, the preferable peeling layer 4 of the second aspect contains a polyester resin that satisfies the above Condition 1 and has a glass transition temperature (Tg) of 50 ° C or higher and 100 ° C or lower as a "specific polyester resin". The second preferred form of the peeling layer 4 contains a polyester resin having a number average molecular weight (Mn) of less than 9,000, more preferably 8,000 or less, and a glass transition temperature (Tg) of 50 ° C or higher and 100 ° C or lower as a "specific polyester series" Resin. " According to the stripping layer 4 of these preferred second forms, the stripping property can be further improved.

關於第2形態之剝除層4之形成方法並未特別限定,可藉由調製添加有「特定聚酯系樹脂」及根據需要之任意樹脂、及無機或有機填充劑等添加材之剝除層用 塗佈液,將該塗佈液塗佈於基材1上或設置於基材1上之任意層上並乾燥而形成。 The method for forming the peeling layer 4 in the second form is not particularly limited, and it can be prepared by adding a "specific polyester-based resin" and an optional resin as required, and an additive material such as an inorganic or organic filler. use The coating liquid is formed by coating the coating liquid on the base material 1 or any layer provided on the base material 1 and drying it.

(底塗層) (Undercoat)

如圖1所示,於基材1與剝除層4之間亦可設置底塗層2。藉由於基材1與剝除層4之間設置底塗層2,藉由剝除層4去除轉印層31之特定區域時,原本應與去除之轉印層一起殘留於熱轉印薄片10側之剝除層4會移行至中間轉印媒體側,而可充分抑制所謂剝除層之逆轉印。尤其藉由剝除層去除中間轉印媒體之轉印層時施加於熱轉印薄片之能量提高時,有易發生剝除層之逆轉印之傾向,因此該情況下,較佳設置底塗層2。 As shown in FIG. 1, an undercoat layer 2 may also be provided between the substrate 1 and the peeling layer 4. Since the undercoat layer 2 is provided between the base material 1 and the peeling layer 4, when a specific area of the transfer layer 31 is removed by the peeling layer 4, it should originally remain on the thermal transfer sheet 10 together with the removed transfer layer. The peeling layer 4 on the side moves to the intermediate transfer medium side, and the reverse transfer of the so-called peeling layer can be sufficiently suppressed. In particular, when the energy applied to the thermal transfer sheet is increased when the transfer layer of the intermediate transfer medium is removed by the peeling layer, the reverse transfer of the peeling layer tends to occur. Therefore, in this case, an undercoat layer is preferably provided. 2.

作為構成底塗層2之材料可舉例聚酯系樹脂、聚丙烯酸酯系樹脂、聚乙酸乙烯酯系樹脂、聚胺基甲酸酯系樹脂、苯乙烯丙烯酸酯系樹脂、聚丙烯醯胺系樹脂、聚醯胺系樹脂、聚醚系樹脂、聚苯乙烯系樹脂、聚乙烯系樹脂、聚丙烯系樹脂、聚氯乙烯系樹脂及聚乙烯醇系樹脂及聚乙烯吡咯啶酮等之乙烯系樹脂、聚乙烯乙醯縮乙醛或聚乙烯縮丁醛等之聚乙烯縮醛系樹脂等、無機粒子等。 Examples of the material constituting the undercoat layer 2 include polyester resin, polyacrylate resin, polyvinyl acetate resin, polyurethane resin, styrene acrylate resin, and polypropylene resin. , Vinyl resins, polyether resins, polystyrene resins, polyethylene resins, polypropylene resins, polyvinyl chloride resins, polyvinyl alcohol resins, and polyvinylpyrrolidone resins , Polyvinyl acetal resin such as polyethylene acetal or polyvinyl butyral, etc., inorganic particles, etc.

底塗層2之厚度較佳為0.03μm以上,更佳為0.06μm以上。關於上限值並未特別限定,但為1μm左右。 The thickness of the undercoat layer 2 is preferably 0.03 μm or more, and more preferably 0.06 μm or more. The upper limit value is not particularly limited, but is about 1 μm.

底塗層2之形成方法並未特別限定,可調製 將上述例示之材料等溶解或分散於適當溶劑中之底塗層用塗佈液,將該塗佈液塗佈於基材1上並乾燥而形成。 The formation method of the undercoat layer 2 is not particularly limited, and can be modulated The coating liquid for an undercoat layer in which the materials and the like exemplified above are dissolved or dispersed in an appropriate solvent, and the coating liquid is coated on the substrate 1 and dried to form it.

(背面層) (Back layer)

如圖1所示,於基材1之另一面上,亦可設置背面層5。又,背面層5係一實施形態之熱轉印薄片10中之任意構成。 As shown in FIG. 1, a back layer 5 may be provided on the other surface of the substrate 1. In addition, the back surface layer 5 has an arbitrary configuration in the thermal transfer sheet 10 according to an embodiment.

關於背面層5之材料並未限定,可舉例為例如乙基纖維素、羥基纖維素、羥丙基纖維素、甲基纖維素、乙酸纖維素、乙酸丁酸纖維素、硝基纖維素等之纖維素系樹脂,聚乙烯醇、聚乙酸乙烯酯、聚乙烯縮丁醛、聚乙烯縮乙醛、聚乙烯吡咯啶酮等之乙烯系樹脂,聚甲基丙烯酸甲酯、聚丙烯酸乙酯、聚丙烯醯胺、丙烯腈-苯乙烯共聚物等之丙烯酸系樹脂,聚醯胺樹脂、聚乙烯甲苯樹脂、香豆酮茚樹脂、聚酯系樹脂、聚胺基甲酸酯樹脂、聚矽氧改性或氟改性胺基甲酸酯等之天然或合成樹脂之單體或混合物等。 The material of the back layer 5 is not limited, and examples thereof include ethyl cellulose, hydroxy cellulose, hydroxypropyl cellulose, methyl cellulose, cellulose acetate, cellulose acetate butyrate, nitro cellulose, and the like. Cellulose resins, vinyl resins such as polyvinyl alcohol, polyvinyl acetate, polyvinyl butyral, polyvinyl acetal, polyvinyl pyrrolidone, polymethyl methacrylate, polyethyl acrylate, poly Acrylic resins such as acrylamide, acrylonitrile-styrene copolymers, polyamide resins, polyvinyl toluene resins, coumarone indene resins, polyester resins, polyurethane resins, polysiloxanes Monomers or mixtures of natural or synthetic resins such as modified or fluorine-modified urethanes.

又,背面層5亦可含有固形或液狀潤滑劑。作為潤滑劑舉例為例如聚乙烯蠟、鏈烷蠟等之各種蠟類,高級脂肪族醇、有機聚矽氧烷、陰離子系界面活性劑、陽離子系界面活性劑、兩性界面活性劑、陰離子系界面活性劑、氟系界面活性劑、有機羧酸及其衍生物、金屬皂、氟系樹脂、聚矽氧系樹脂、滑石、氧化矽等之無機化合物之微粒子等。潤滑劑之質量相對於背面層5之總質量,為5 質量%以上50質量%以下之範圍,較佳為10質量%以上30質量%以下之範圍。 The back layer 5 may contain a solid or liquid lubricant. Examples of lubricants include various waxes such as polyethylene waxes, paraffinic waxes, higher aliphatic alcohols, organic polysiloxanes, anionic surfactants, cationic surfactants, amphoteric surfactants, and anionic interfaces. Active agents, fluorine-based surfactants, organic carboxylic acids and their derivatives, metal soaps, fluorine-based resins, silicone resins, talc, fine particles of inorganic compounds such as silica, etc. The mass of the lubricant relative to the total mass of the back layer 5 is 5 The range of mass% to 50 mass% is preferably a range of 10 mass% to 30 mass%.

關於背面層5之形成方法並未特別限定,可調製將樹脂及根據需要添加之潤滑劑等溶解或分散於適當溶劑中之背面層用塗佈液,將該塗佈液塗佈於基材1上並乾燥而形成。背面層5之厚度較佳為1μm以上10μm以下之範圍。 The method for forming the back surface layer 5 is not particularly limited, and a coating liquid for the back surface layer that dissolves or disperses a resin and a lubricant added as necessary in an appropriate solvent can be prepared, and the coating liquid is applied to the substrate 1 Form and dry. The thickness of the back layer 5 is preferably in a range of 1 μm to 10 μm.

又,一實施形態之熱轉印薄片10係如圖4所示般,亦可成為於基材1之設置剝除層4之面相同面上依面順序設置黃色(Y)、品紅(M)、青色(C)之各染料層7(7(Y)、7(M)、7(C))、黑色(Bk)之熔融層8之構成。又,染料層7、熔融層8係一實施形態之熱轉印薄片10中之任意構成。且,亦可替代該等任意層,而與該等層依面順序設置轉印性保護層(未圖示)。 In addition, as shown in FIG. 4, the thermal transfer sheet 10 according to an embodiment may be provided with yellow (Y) and magenta (M) sequentially in the same order on the same surface of the substrate 1 on which the peeling layer 4 is provided. ), Each of the cyan (C) dye layers 7 (7 (Y), 7 (M), 7 (C)), and the black (Bk) melt layer 8 is constituted. The dye layer 7 and the fused layer 8 are arbitrarily configured in the thermal transfer sheet 10 according to an embodiment. Moreover, instead of these arbitrary layers, a transferable protective layer (not shown) may be provided in sequence with these layers.

(染料層) (Dye layer)

染料層7含有昇華性染料、黏合劑樹脂及根據需要添加之任意成分。昇華性染料、黏合劑樹脂等可使用以往習知者,並未特別限制。染料層可藉由調製將昇華性染料、黏合劑樹脂及根據需要添加之任意成分溶解或分散於適當溶劑中之染料層用塗佈液,將該塗佈液塗佈於基材1上並乾燥而形成。染料層之厚度通常為0.2μm以上3μm以下之範圍。 The dye layer 7 contains a sublimable dye, a binder resin, and any components added as needed. Sublimation dyes, binder resins, and the like can be used conventionally, and are not particularly limited. The dye layer can be prepared by dissolving or dispersing a sublimable dye, a binder resin, and any components added as necessary in a suitable solvent, and coating the coating liquid on the substrate 1 and drying the coating liquid. And formed. The thickness of the dye layer is usually in a range of 0.2 μm to 3 μm.

又,於基材1與染料層7之間,亦可設置以 往習知之染料底塗層(未圖示)。 In addition, between the base material 1 and the dye layer 7, it is also possible to provide The conventional dye base coat (not shown).

(熔融層) (Melted Layer)

熔融層8可使用以往習知之熱熔融性墨水形成,根據需要添加各種添加材。該等材料可使用以往習知者而未特別限定。熔融層8係使用凹版印刷法、熱熔塗佈等方法,於基材1上塗佈熱熔融性墨水並乾燥而形成。熔融層厚度係由必要濃度與熱感度之關係決定,通常為約0.2μm以上10μm以下之範圍。 The molten layer 8 can be formed using a conventionally known hot-melt ink, and various additives can be added as necessary. These materials can be used by those who are known in the past without particular limitation. The melted layer 8 is formed by applying a hot-melt ink to the substrate 1 by using a method such as a gravure printing method or a hot-melt coating method and drying it. The thickness of the molten layer is determined by the relationship between the required concentration and the thermal sensitivity, and is usually in the range of about 0.2 μm to 10 μm.

<剝除區域> <Stripped area>

其次,參考圖5,針對一實施形態之熱轉印薄片10之藉由剝除層4去除之轉印層之去除區域之一例加以說明。圖5係與一實施形態之熱轉印薄片10組合使用之中間轉印媒體30之概略俯視圖,留白區域(途中之符號A、B)係一實施形態之熱轉印薄片10之藉由剝除層4去除之區域。 Next, referring to FIG. 5, an example of a removal area of the transfer layer removed by the peeling layer 4 of the thermal transfer sheet 10 according to an embodiment will be described. FIG. 5 is a schematic plan view of an intermediate transfer medium 30 used in combination with the thermal transfer sheet 10 according to an embodiment. The blank area (symbols A and B on the way) is a peeling of the thermal transfer sheet 10 according to an embodiment. Remove the area removed by layer 4.

去除轉印層31之區域並未特別限定,可舉例為例如圖5之符號A所示,轉印於被轉印體上之轉印層31之外周部分。換言之,未轉印至被轉印體上之區域可藉由剝除層4脫邊框而去除。又可舉例為如圖5之符號B所示,於最終轉印有轉印層31之被轉印體中,搭載IC晶片或署名欄等之附屬品之區域,亦即於轉印有轉印層31之被轉印體上,於殘存轉印層31時產生不良之區域。 The area where the transfer layer 31 is removed is not particularly limited. For example, as shown by the symbol A in FIG. In other words, the area that has not been transferred to the object to be transferred can be removed by removing the frame with the peeling layer 4. For example, as shown by the symbol B in FIG. 5, in the transfer target body to which the transfer layer 31 is finally transferred, the area where the accessory such as an IC chip or a signature column is mounted, that is, where the transfer is transferred In the transferred body of the layer 31, a defective area occurs when the transfer layer 31 remains.

<加熱方法> <Heating method>

用以藉由剝除層4去除轉印層31之特定區域之加熱手段並未特別限定,可使用例如熱壓頭、使用光源或雷射光源之加熱手段等。且將特定區域藉由剝除層4去除之轉印層31再次轉印於被轉印體之加熱手段亦未限定,可舉例為例如加熱輥方式、熱衝壓方式、熱壓頭方式等。 The heating means for removing a specific area of the transfer layer 31 by the peeling layer 4 is not particularly limited, and for example, a thermal head, a heating means using a light source or a laser light source, and the like can be used. In addition, the heating means for transferring the transfer layer 31 removed from the specific region by the peeling layer 4 to the object to be transferred is not limited, and examples thereof include a heating roller method, a hot stamping method, and a thermal head method.

與一實施形態之熱轉印薄片10組合使用之中間轉印媒體並非限定於圖示之形態,以往習知之任一中間轉印媒體亦可適用。且,亦可替代中間轉印媒體而使用於支撐體上設置含保護層之轉印層之保護層轉印薄片。 The intermediate transfer medium used in combination with the thermal transfer sheet 10 according to an embodiment is not limited to the illustrated form, and any of the conventionally known intermediate transfer media may be applied. In addition, instead of an intermediate transfer medium, a protective layer transfer sheet in which a transfer layer including a protective layer is provided on a support may be used.

<<轉印箔與熱轉印薄片之組合>> << Combination of transfer foil and thermal transfer sheet >>

其次,說明本揭示之實施形態之轉印箔與熱轉印薄片之組合(以下稱為一實施形態之組合)。一實施形態之組合之特徵係於支撐體上設有可自該支撐體剝離之轉印層之轉印箔,與於基材上設有剝除層之熱轉印薄片之組合,以轉印層與剝除層對向之方式重疊轉印箔與熱轉印薄片,在熱轉印薄片之搬送速度為42.3mm/sec,施加於熱轉印薄片之能量為0.143mJ/dot之條件,藉由剝除層去除轉印層之特定區域時所測定之轉印層與剝除層之密著力為0.03N/cm以上。以下,將以轉印層與剝除層對向之方式重疊轉印箔與熱轉印薄片,在熱轉印薄片之搬送速度為42.3mm/sec,施加於熱轉印薄片之能量為0.143mJ/dot之條件稱為「特 定測定條件」,以該「特定測定條件」,藉由剝除層去除轉印層之特定區域時所測定之轉印層與剝除層之密著力有時稱為轉印層與剝除層之密著力。 Next, a combination of a transfer foil and a thermal transfer sheet according to the embodiment of the present disclosure (hereinafter referred to as a combination of one embodiment) will be described. The combination of one embodiment is characterized by a combination of a transfer foil provided with a transfer layer peelable from the support on a support, and a thermal transfer sheet provided with a peeling layer on a substrate to transfer The transfer foil and thermal transfer sheet are overlapped with the layer and the peeling layer facing each other. The transfer speed of the thermal transfer sheet is 42.3mm / sec, and the energy applied to the thermal transfer sheet is 0.143mJ / dot. The adhesion between the transfer layer and the peeling layer measured when a specific area of the transfer layer was removed by the peeling layer was 0.03 N / cm or more. In the following, the transfer foil and the thermal transfer sheet are stacked so that the transfer layer and the peeling layer face each other. The transfer speed of the thermal transfer sheet is 42.3 mm / sec, and the energy applied to the thermal transfer sheet is 0.143 mJ / dot condition is called "special "Specific measurement conditions", and using the "specific measurement conditions", the adhesion between the transfer layer and the peeling layer measured when a specific area of the transfer layer is removed by the peeling layer is sometimes referred to as the transfer layer and the peeling layer. The close adhesion.

又,上述之「特定測定條件」係使自支撐體剝離之轉印層之剝離角度成為50°之方式,藉由剝除層去除轉印層之特定區域。 In addition, the above-mentioned "specific measurement conditions" are such that a specific region of the transfer layer is removed by the peeling layer so that the peeling angle of the transfer layer peeled from the support is 50 °.

依據於「特定測定條件」測定之轉印層與剝除層之密著力為0.03N/cm以上之一實施形態之組合,可正確地藉由剝除層去除轉印層之特定區域。 According to the combination of the embodiment in which the adhesion between the transfer layer and the peeling layer measured according to "specific measurement conditions" is 0.03 N / cm or more, a specific region of the transfer layer can be accurately removed by the peeling layer.

較佳形態之組合係於「特定測定條件」測定之轉印層與剝除層之密著力為0.05N/cm以上,進而為0.18N/cm以上,尤其0.2N/cm以上。特佳形態之組合係在熱轉印薄片之搬送速度為42.3mm/sec,施加於熱轉印薄片之能量為0.1mJ/dot以上0.2mJ/dot以下之範圍內之條件,藉由剝除層去除轉印層之特定區域時所測定之轉印層與剝除層之密著力為0.03N/cm以上,尤其成為上述較佳形態之組合之密著力。於「特定測定條件」測定之轉印層與剝除層之密著力之上限並未特別限定,但作為密著力範圍之一例可舉例0.03N/cm以上1N/cm以下之範圍,或0.03N/cm以上0.7N/cm以下之範圍。 The combination of the preferable form is that the adhesion between the transfer layer and the peeling layer measured under "specific measurement conditions" is 0.05 N / cm or more, and further 0.18 N / cm or more, and especially 0.2 N / cm or more. The combination of the best form is a condition in which the transfer speed of the thermal transfer sheet is 42.3 mm / sec, and the energy applied to the thermal transfer sheet is in the range of 0.1 mJ / dot to 0.2 mJ / dot. The adhesion between the transfer layer and the peeling layer measured when a specific area of the transfer layer is removed is 0.03 N / cm or more, and especially becomes the adhesion of the combination of the above-mentioned preferred forms. The upper limit of the adhesion force between the transfer layer and the peeling layer measured under "specific measurement conditions" is not particularly limited, but as an example of the adhesion force range, a range from 0.03N / cm to 1N / cm or less, or 0.03N / The range is from cm to 0.7 N / cm.

一實施形態之組合中,轉印層與剝除層之密著力係使轉印箔之轉印層與熱轉印薄片之剝除層重疊,而如圖6所示,使用列印機200,於熱轉印薄片之搬送速度為42.3mm/sec,施加能量為0.143mJ/dot之條件,藉由熱 轉印薄片之剝除層去除轉印箔之轉印層時由測定手段204測定之拉伸強度之值,該列印機200具有熱轉印薄片供給手段201、加熱手段202、熱轉印薄片捲取手段203、位於加熱手段202與熱轉印薄片捲取手段203之間測定沿搬送路徑搬送之熱轉印薄片之拉伸強度之測定手段204、位於加熱手段202與測定手段204之間之剝離手段205。又,該拉伸強度之值可視為轉印層與剝除層之密著力。 In the combination of one embodiment, the adhesion between the transfer layer and the peeling layer is such that the transfer layer of the transfer foil and the peeling layer of the thermal transfer sheet overlap, and as shown in FIG. 6, a printer 200 is used. On the condition that the transfer speed of the thermal transfer sheet is 42.3 mm / sec and the applied energy is 0.143 mJ / dot, Peeling layer of transfer sheet The value of tensile strength measured by measuring means 204 when removing the transfer layer of transfer foil. The printer 200 includes thermal transfer sheet supply means 201, heating means 202, and thermal transfer sheet. Winding means 203, measuring means 204 located between heating means 202 and thermal transfer sheet winding means 203 for measuring the tensile strength of the thermal transfer sheet conveyed along the conveying path, and measuring means 204 located between heating means 202 and measuring means 204 Stripping means 205. The value of the tensile strength can be regarded as the adhesion between the transfer layer and the peeling layer.

本說明書所稱之施加能量(mJ/dot)係藉由下式(1)算出之施加能量,式(1)中之施加電力[W]可由下式(2)算出。 The applied energy (mJ / dot) referred to in this specification is the applied energy calculated by the following formula (1), and the applied power [W] in the formula (1) can be calculated by the following formula (2).

施加能量(mJ/dot)=W×L.S×P.D×色調值…(式(1)) Applied energy (mJ / dot) = W × L.S × P.D × Hue value ... (Formula (1))

(式(1)中之[W]意指施加電力,[L.S]意指1線週期(msec/line),[P.D]意指脈衝佔空) (In the formula (1), [W] means applied power, [L.S] means 1-line period (msec / line), and [P.D] means pulse duty cycle.)

施加電力(W/dot)=V2/R…(式(2)) Applied power (W / dot) = V 2 /R...(Formula (2))

(式(2)中之[V]意指施加電壓,[R]意指加熱手段之電阻值) ([V] in formula (2) means applied voltage, [R] means resistance value of heating means)

又,本說明書所稱之熱轉印薄片之搬送速度(mm/sec.)係由下式(3)算出之搬送速度。 The transport speed (mm / sec.) Of the thermal transfer sheet referred to in this specification is a transport speed calculated from the following formula (3).

搬送速度(mm/sec.)=(25.4×1000)/(副掃描方向之印字密度(dot/inch))×線週期(msec/line)…(式(3)) Transport speed (mm / sec.) = (25.4 × 1000) / (printing density in the sub-scanning direction (dot / inch)) × line period (msec / line) ... (formula (3))

(式(3)中之25.4係用以將inch換算為mm之數值)。 (25.4 in formula (3) is a value used to convert inches to mm).

關於使轉印層與剝除層之密著力為0.03N/cm以上之方法並未特別限定,作為熱轉印薄片側之對策,可 舉例調整剝除層成分之方法、調整剝除層或基材厚度之方法等。又,作為轉印箔側之對策,可舉例調整轉印層成分或轉印層厚度之方法。又,藉由熱轉印薄片及轉印箔兩者之對策亦可將轉印層與剝除層之密著力設為0.03N/cm以上。 The method for making the adhesion between the transfer layer and the peeling layer 0.03 N / cm or more is not particularly limited. As a countermeasure for the thermal transfer sheet side, For example, the method of adjusting the composition of the peeling layer, the method of adjusting the thickness of the peeling layer or the substrate, and the like. In addition, as a countermeasure for the transfer foil side, a method of adjusting the composition of the transfer layer or the thickness of the transfer layer can be exemplified. In addition, the adhesion between the transfer layer and the peeling layer can be set to 0.03 N / cm or more by countermeasures of both the thermal transfer sheet and the transfer foil.

亦即,一實施形態之組合所用之轉印箔及熱轉印薄片若滿足於「特定測定條件」測定之轉印層與剝除層之密著力為0.03N/cm以上之條件,則其以外之條件並未限定。 That is, if the transfer foil and thermal transfer sheet used in the combination of one embodiment satisfy the condition that the adhesion between the transfer layer and the peeling layer measured by "specific measurement conditions" is 0.03 N / cm or more, The conditions are not limited.

一實施形態之組合所用之轉印箔之用途並未特別限定,可舉例為可將含接受層之轉印層轉印於被轉印體上之中間轉印媒體、或可將含保護層之轉印層轉印於被轉印體上之保護層轉印薄片等。且,若為可將轉印層轉印於被轉印體上之媒體,則亦可使用其以外者。 The use of the transfer foil used in the combination of one embodiment is not particularly limited, and examples thereof include an intermediate transfer medium that can transfer a transfer layer containing a receiving layer on a transferee, or a transfer medium containing a protective layer. The transfer layer is a protective layer transfer sheet or the like, which is transferred onto the object to be transferred. Moreover, if it is a medium which can transfer a transfer layer on a to-be-transferred body, you may use other than this.

〔實施例〕 [Example]

以下列舉實施例進一步具體說明本發明。以下只要未特別限定,則份為質量基準。又Tg意指玻璃轉移溫度,Mn意指數平均分子量,Mw意指重量平均分子量。 The following examples further illustrate the present invention. Unless otherwise specified, parts are based on mass. Tg means glass transition temperature, Mn means index average molecular weight, and Mw means weight average molecular weight.

(實施例A-1) (Example A-1)

使用施以易接著處理之厚4.5μm之聚對苯二甲酸乙二酯薄膜作為基材,於該基材之一面的易接著處理面上,以 乾燥時厚為1μm之方式塗佈下述組成之剝除層用塗佈液1並乾燥而形成剝除層。又,於基材另一面上,以乾燥時厚為0.8μm之方式塗佈下述組成之背面層用塗佈液並乾燥而形成背面層,藉此獲得實施例A-1之熱轉印薄片。 A 4.5 μm-thick polyethylene terephthalate film is used as a substrate, and the easily-adhesive surface of one side of the substrate is used as the substrate. The coating liquid 1 for a peeling layer having the following composition was applied so as to have a thickness of 1 μm during drying, and dried to form a peeling layer. In addition, on the other side of the substrate, a coating liquid for a back surface layer having the following composition was applied so as to have a thickness of 0.8 μm when dried, and dried to form a back layer, thereby obtaining a thermal transfer sheet of Example A-1. .

<剝除層用塗佈液1> <Coating liquid for peeling layer 1>

Figure TW201805347AD00001
Figure TW201805347AD00001

<背面層用塗佈液> <Coating liquid for back layer>

Figure TW201805347AD00002
Figure TW201805347AD00002

(實施例A-2) (Example A-2)

除將剝除層用塗佈液1變更為下述組成之剝除層用塗佈液2以外,全部與實施例A-1同樣,獲得實施例A-2之熱轉印薄片。 Except that the coating liquid 1 for a peeling layer was changed to the coating liquid 2 for a peeling layer having the following composition, the thermal transfer sheet of Example A-2 was obtained in the same manner as in Example A-1.

<剝除層用塗佈液2> <Coating liquid for peeling layer 2>

Figure TW201805347AD00003
Figure TW201805347AD00003

(實施例A-3) (Example A-3)

除將剝除層用塗佈液1變更為下述組成之剝除層用塗佈液3以外,全部與實施例A-1同樣,獲得實施例A-3之熱轉印薄片。 A thermal transfer sheet of Example A-3 was obtained in the same manner as in Example A-1 except that the coating liquid for peeling layer 1 was changed to the coating liquid 3 for peeling layer having the following composition.

<剝除層用塗佈液3> <Coating liquid 3 for peeling layer>

Figure TW201805347AD00004
Figure TW201805347AD00004

(實施例A-4) (Example A-4)

除將剝除層用塗佈液1變更為下述組成之剝除層用塗佈液4以外,全部與實施例A-1同樣,獲得實施例A-4之熱轉印薄片。 A thermal transfer sheet of Example A-4 was obtained in the same manner as in Example A-1 except that the coating liquid for peeling layer 1 was changed to the coating liquid 4 for peeling layer having the following composition.

<剝除層用塗佈液4> <Coating liquid 4 for peeling layer>

Figure TW201805347AD00005
Figure TW201805347AD00005

(實施例A-5) (Example A-5)

除將剝除層用塗佈液1變更為下述組成之剝除層用塗佈液5以外,全部與實施例A-1同樣,獲得實施例A-5之熱轉印薄片。 Except that the coating liquid 1 for a peeling layer was changed to the coating liquid 5 for a peeling layer having the following composition, the thermal transfer sheet of Example A-5 was obtained in the same manner as in Example A-1.

<剝除層用塗佈液5> <Coating liquid 5 for peeling layer>

Figure TW201805347AD00006
Figure TW201805347AD00006

‧甲基乙基酮 80份 ‧80 parts of methyl ethyl ketone

(比較例A-1) (Comparative Example A-1)

除將剝除層用塗佈液1變更為下述組成之剝除層用塗佈液A以外,全部與實施例A-1同樣,獲得比較例A-1之熱轉印薄片。 Except that the coating liquid 1 for a peeling layer was changed to the coating liquid A for a peeling layer having the following composition, the thermal transfer sheet of Comparative Example A-1 was obtained in the same manner as in Example A-1.

<剝除層用塗佈液A> <Coating liquid A for peeling layer>

Figure TW201805347AD00007
Figure TW201805347AD00007

(比較例A-2) (Comparative example A-2)

除將剝除層用塗佈液1變更為下述組成之剝除層用塗佈液B以外,全部與實施例A-1同樣,獲得比較例A-2之熱轉印薄片。 A thermal transfer sheet of Comparative Example A-2 was obtained in the same manner as in Example A-1 except that the coating liquid for peeling layer 1 was changed to the coating liquid B for peeling layer having the following composition.

<剝除層用塗佈液B> <Coating liquid B for peeling layer>

Figure TW201805347AD00008
Figure TW201805347AD00008

(比較例A-3) (Comparative Example A-3)

除將剝除層用塗佈液1變更為下述組成之剝除層用塗佈液C以外,全部與實施例A-1同樣,獲得比較例A-3之熱轉印薄片。 Except having changed the coating liquid 1 for peeling layers into the coating liquid C for peeling layers of the following composition, it carried out similarly to Example A-1, and obtained the thermal transfer sheet of the comparative example A-3.

<剝除層用塗佈液C> <Coating liquid C for peeling layer>

Figure TW201805347AD00009
Figure TW201805347AD00009

(比較例A-4) (Comparative Example A-4)

除將剝除層用塗佈液1變更為下述組成之剝除層用塗佈液D以外,全部與實施例A-1同樣,獲得比較例A-4之熱轉印薄片。 A thermal transfer sheet of Comparative Example A-4 was obtained in the same manner as in Example A-1 except that the coating liquid for peeling layer 1 was changed to the coating liquid D for peeling layer having the following composition.

<剝除層用塗佈液D> <Coating liquid D for peeling layer>

Figure TW201805347AD00010
Figure TW201805347AD00010

(比較例A-5) (Comparative Example A-5)

除將剝除層用塗佈液1變更為下述組成之剝除層用塗 佈液E以外,全部與實施例A-1同樣,獲得比較例A-5之熱轉印薄片。 In addition, the coating liquid 1 for a peeling layer was changed to a coating for a peeling layer having the following composition Except for the cloth liquid E, the heat transfer sheet of Comparative Example A-5 was obtained in the same manner as in Example A-1.

<剝除層用塗佈液E> <Coating liquid E for peeling layer>

Figure TW201805347AD00011
Figure TW201805347AD00011

(中間轉印媒體(1)之製作) (Production of intermediate transfer media (1))

使用厚12μm之聚對苯二甲酸乙二酯薄膜(LUMIRROR(註冊商標)東麗(股))作為支撐體,於該支撐體上,以乾燥時厚為1.6μm之方式塗佈下述組成之剝離層用塗佈液並乾燥而形成剝離層。其次,於剝離層上,以乾燥時厚為4.7μm之方式塗佈下述組成之保護層用塗佈液並乾燥而形成保護層。其次於保護層上,以乾燥時厚為2μm之方式塗佈下述組成之接受層用塗佈液並乾燥而形成接受層,藉此獲得中間轉印媒體(1)。又,剝離層用塗佈液、保護層用塗佈液、接受層用塗佈液均使用凹版印刷法塗佈。 A 12 μm-thick polyethylene terephthalate film (LUMIRROR (registered trademark) Toray Co., Ltd.) was used as a support, and the following composition was applied to the support so that the thickness was 1.6 μm when dried. The coating liquid for a release layer is dried to form a release layer. Next, on the release layer, a coating liquid for a protective layer having the following composition was applied so as to have a thickness of 4.7 μm when dried, and dried to form a protective layer. Next, on the protective layer, a coating liquid for a receiving layer having the following composition was applied so as to have a thickness of 2 μm when dried, and dried to form a receiving layer, thereby obtaining an intermediate transfer medium (1). The coating liquid for a release layer, the coating liquid for a protective layer, and the coating liquid for a receiving layer were all applied using a gravure printing method.

<剝離層用塗佈液> <Coating liquid for release layer>

‧丙烯酸樹脂 20份 (DIANAL(註冊商標)BR83三菱縲縈(股)) ‧20 parts of acrylic resin (DIANAL (registered trademark) BR83 Mitsubishi Electric Co., Ltd.)

Figure TW201805347AD00012
Figure TW201805347AD00012

<保護層用塗佈液> <Coating liquid for protective layer>

Figure TW201805347AD00013
Figure TW201805347AD00013

<接受層用塗佈液> <Coating liquid for receiving layer>

Figure TW201805347AD00014
Figure TW201805347AD00014

<剝除性試驗> <Exfoliation test>

於上述作成之中間轉印媒體(1)之接受層上,形成昇華轉印之照片色調之熱轉印圖像。接著,以使形成熱轉印圖像之中間轉印媒體(1)之接受層與上述作成之各實施例及比較例之熱轉印薄片之剝除層接觸之方式重疊,使用以下列印機,加熱熱轉印薄片之背面側,而自中間轉印媒體(1)去除剝離層與保護層與接受層之積層體的轉印層之特 定區域。以目視確認此時之轉印層去除狀況及自中間轉印媒體(1)剝離剝除層時之剝離狀況,基於以下評價基準,進行剝除性及剝除層之剝離性評價。評價結果示於表1。 On the receiving layer of the intermediate transfer medium (1) prepared as described above, a thermal transfer image of a photo tone of sublimation transfer is formed. Next, the receiving layer of the intermediate transfer medium (1) forming the thermal transfer image was brought into contact with the peeling layer of the thermal transfer sheet of each of the examples and comparative examples prepared as described above, and the following printer was used. , Heating the back side of the thermal transfer sheet, and removing the special characteristics of the transfer layer of the laminated body of the release layer, the protective layer and the receiving layer from the intermediate transfer medium (1) Fixed area. The state of removal of the transfer layer at this time and the state of peeling when the peeling layer was peeled from the intermediate transfer medium (1) were visually confirmed, and the peelability and the peelability of the peeling layer were evaluated based on the following evaluation criteria. The evaluation results are shown in Table 1.

(列印機) (Printer)

熱壓頭:KEE-57-12GAN2-STA(KYOCERA(股)) Thermal head: KEE-57-12GAN2-STA (KYOCERA (shares))

發熱體平均電阻值:3303(Ω) Average resistance value of heating element: 3303 (Ω)

主掃描方向印字密度:300(dpi) Printing density in main scanning direction: 300 (dpi)

副掃描方向印字密度:300(dpi) Printing density in sub-scanning direction: 300 (dpi)

線週期:2(msec/line) Line period: 2 (msec / line)

印字開始溫度:35(℃) Printing start temperature: 35 (℃)

脈衝佔空比:85(%) Pulse duty cycle: 85 (%)

施加電壓:21(V) Applied voltage: 21 (V)

(剝除性評價(1)) (Exfoliative evaluation (1)) 「評價基準」 "Evaluation criteria"

A…正確去除對應於「特定區域」之轉印層。 A ... Correctly remove the transfer layer corresponding to the "specific area".

B...對應於「特定區域」之轉印層之一部分稍殘存,或以稍超出「特定區域」之方式去除轉印層,但為使用上不成問題之程度。 B ... A part of the transfer layer corresponding to the "specific area" is left slightly, or the transfer layer is removed slightly beyond the "specific area", but it is not a problem in use.

C...對應於「特定區域」之轉印層之一部分殘存,或以超出「特定區域」之方式去除轉印層,但為使用上不成問題之程度。 C ... A part of the transfer layer corresponding to the "specific area" remains, or the transfer layer is removed in a way beyond the "specific area", but to the extent that it is not a problem in use.

NG(1)...未正確去除對應於「特定區域」之轉印層而 為不良。 NG (1) ... does not properly remove the transfer layer corresponding to the "specific area" As bad.

NG(2)...對應於「特定區域」之轉印層完全未去除而為不良。 NG (2) ... The transfer layer corresponding to the "specific area" is not removed at all and is defective.

(剝除層之剝離性評價) (Evaluation of peelability of peeling layer) 「評價基準」 "Evaluation criteria"

A…剝除層未轉印至中間轉印媒體。 A ... The peeling layer is not transferred to the intermediate transfer medium.

NG…剝除層一部分轉印至中間轉印媒體而為不良。 NG ... A part of the peeling layer was transferred to the intermediate transfer medium and was defective.

Figure TW201805347AD00015
Figure TW201805347AD00015

(實施例B-1) (Example B-1)

使用施以易接著處理之厚4.5μm之聚對苯二甲酸乙二酯薄膜作為基材,於該基材之一面的易接著處理面上,以 乾燥時厚為1μm之方式塗佈下述組成之剝除層用塗佈液11並乾燥而形成剝除層。又,於基材另一面上,以乾燥時厚為0.8μm之方式塗佈上述組成之背面層用塗佈液並乾燥而形成背面層,藉此獲得實施例B-1之熱轉印薄片。 A 4.5 μm-thick polyethylene terephthalate film is used as a substrate, and the easily-adhesive surface of one side of the substrate is used as the substrate. The coating liquid 11 for a peeling layer having the following composition was applied so as to have a thickness of 1 μm during drying, and dried to form a peeling layer. In addition, a coating liquid for a back surface layer having the above composition was applied on the other surface of the base material to have a thickness of 0.8 μm when dried, and dried to form a back layer, thereby obtaining a thermal transfer sheet of Example B-1.

<剝除層用塗佈液11> <Coating liquid for peeling layer 11>

Figure TW201805347AD00016
Figure TW201805347AD00016

(實施例B-2) (Example B-2)

除將剝除層用塗佈液11變更為下述組成之剝除層用塗佈液12以外,全部與實施例B-1同樣,獲得實施例B-2之熱轉印薄片。 A thermal transfer sheet of Example B-2 was obtained in the same manner as in Example B-1 except that the coating liquid for peeling layer 11 was changed to the coating liquid for peeling layer 12 having the following composition.

<剝除層用塗佈液12> <Coating liquid for peeling layer 12>

Figure TW201805347AD00017
Figure TW201805347AD00017

(實施例B-3) (Example B-3)

除將剝除層用塗佈液11變更為下述組成之剝除層用塗佈液13以外,全部與實施例B-1同樣,獲得實施例B-3之熱轉印薄片。 A thermal transfer sheet of Example B-3 was obtained in the same manner as in Example B-1 except that the coating liquid for peeling layer 11 was changed to the coating liquid 13 for peeling layer having the following composition.

<剝除層用塗佈液13> <Coating liquid for peeling layer 13>

Figure TW201805347AD00018
Figure TW201805347AD00018

(實施例B-4) (Example B-4)

除將剝除層用塗佈液11變更為下述組成之剝除層用塗佈液14以外,全部與實施例B-1同樣,獲得實施例B-4之熱轉印薄片。 A thermal transfer sheet of Example B-4 was obtained in the same manner as in Example B-1 except that the coating liquid for peeling layer 11 was changed to the coating liquid 14 for peeling layer having the following composition.

<剝除層用塗佈液14> <Coating liquid 14 for peeling layer>

Figure TW201805347AD00019
Figure TW201805347AD00019

(實施例B-5) (Example B-5)

除將剝除層用塗佈液11變更為下述組成之剝除層用塗佈液15以外,全部與實施例B-1同樣,獲得實施例B-5之熱轉印薄片。 A thermal transfer sheet of Example B-5 was obtained in the same manner as in Example B-1 except that the coating liquid for peeling layer 11 was changed to the coating liquid 15 for peeling layer having the following composition.

<剝除層用塗佈液15> <Coating liquid for peeling layer 15>

‧聚酯樹脂(Tg:67℃,Mn:17000) 20份(HYRON(註冊商標)200東洋紡(股)) ‧20 parts of polyester resin (Tg: 67 ° C, Mn: 17000) (HYRON (registered trademark) 200 Toyobo Co., Ltd.)

‧甲基乙基酮 80份 ‧80 parts of methyl ethyl ketone

(實施例B-6) (Example B-6)

除將剝除層用塗佈液11變更為下述組成之剝除層用塗佈液16以外,全部與實施例B-1同樣,獲得實施例B-6之熱轉印薄片。 A thermal transfer sheet of Example B-6 was obtained in the same manner as in Example B-1 except that the coating liquid for peeling layer 11 was changed to the coating liquid 16 for peeling layer having the following composition.

<剝除層用塗佈液16> <Coating liquid for peeling layer 16>

Figure TW201805347AD00020
Figure TW201805347AD00020

(實施例B-7) (Example B-7)

除將剝除層用塗佈液11變更為下述組成之剝除層用塗佈液17以外,全部與實施例B-1同樣,獲得實施例B-7之熱轉印薄片。 Except that the coating liquid 11 for a peeling layer was changed to the coating liquid 17 for a peeling layer having the following composition, the thermal transfer sheet of Example B-7 was obtained in the same manner as in Example B-1.

<剝除層用塗佈液17> <Coating liquid for peeling layer 17>

Figure TW201805347AD00021
Figure TW201805347AD00021

(實施例B-8) (Example B-8)

除將剝除層用塗佈液11變更為下述組成之剝除層用 塗佈液18以外,全部與實施例B-1同樣,獲得實施例B-8之熱轉印薄片。 For removing the coating liquid 11 for a peeling layer, for a peeling layer having the following composition Except for the coating liquid 18, the same procedure as in Example B-1 was performed to obtain a thermal transfer sheet of Example B-8.

<剝除層用塗佈液18> <Coating liquid for peeling layer 18>

Figure TW201805347AD00022
Figure TW201805347AD00022

(實施例B-9) (Example B-9)

除將剝除層用塗佈液11變更為下述組成之剝除層用塗佈液19以外,全部與實施例B-1同樣,獲得實施例B-9之熱轉印薄片。 Except that the coating liquid 11 for a peeling layer was changed to the coating liquid 19 for a peeling layer having the following composition, the thermal transfer sheet of Example B-9 was obtained in the same manner as in Example B-1.

<剝除層用塗佈液19> <Coating liquid for peeling layer 19>

Figure TW201805347AD00023
Figure TW201805347AD00023

‧甲基乙基酮 80份 ‧80 parts of methyl ethyl ketone

(實施例B-10) (Example B-10)

除將剝除層用塗佈液11變更為下述組成之剝除層用塗佈液20以外,全部與實施例B-1同樣,獲得實施例B-10之熱轉印薄片。 Except that the coating liquid 11 for a peeling layer was changed to the coating liquid 20 for a peeling layer having the following composition, the thermal transfer sheet of Example B-10 was obtained in the same manner as in Example B-1.

<剝除層用塗佈液20> <Coating liquid for peeling layer 20>

Figure TW201805347AD00024
Figure TW201805347AD00024

(比較例B-1) (Comparative Example B-1)

除將剝除層用塗佈液11變更為下述組成之剝除層用塗佈液F以外,全部與實施例B-1同樣,獲得比較例B-1之熱轉印薄片。 Except that the coating liquid 11 for a peeling layer was changed to the coating liquid F for a peeling layer having the following composition, it was the same as in Example B-1, and a thermal transfer sheet of Comparative Example B-1 was obtained.

<剝除層用塗佈液F> <Coating liquid F for peeling layer>

Figure TW201805347AD00025
Figure TW201805347AD00025

(比較例B-2) (Comparative Example B-2)

除將剝除層用塗佈液11變更為下述組成之剝除層用塗佈液G以外,全部與實施例B-1同樣,獲得比較例B-2之熱轉印薄片。 A thermal transfer sheet of Comparative Example B-2 was obtained in the same manner as in Example B-1 except that the coating liquid for peeling layer 11 was changed to the coating liquid G for peeling layer having the following composition.

<剝除層用塗佈液G> <Coating liquid G for peeling layer>

Figure TW201805347AD00026
Figure TW201805347AD00026

(比較例B-3) (Comparative Example B-3)

除將剝除層用塗佈液11變更為下述組成之剝除層用塗佈液H以外,全部與實施例B-1同樣,獲得比較例B-3之熱轉印薄片。 A thermal transfer sheet of Comparative Example B-3 was obtained in the same manner as in Example B-1 except that the coating liquid 11 for a peeling layer was changed to the coating liquid H for a peeling layer having the following composition.

<剝除層用塗佈液H> <Coating liquid H for peeling layer>

Figure TW201805347AD00027
Figure TW201805347AD00027

(比較例B-4) (Comparative Example B-4)

除將剝除層用塗佈液11變更為下述組成之剝除層用塗佈液I以外,全部與實施例B-1同樣,獲得比較例B-4之熱轉印薄片。 Except that the coating liquid 11 for a peeling layer was changed to the coating liquid I for a peeling layer having the following composition, the heat transfer sheet of Comparative Example B-4 was obtained in the same manner as in Example B-1.

<剝除層用塗佈液I> <Coating liquid I for peeling layer>

Figure TW201805347AD00028
Figure TW201805347AD00028

(比較例B-5) (Comparative Example B-5)

除將剝除層用塗佈液11變更為下述組成之剝除層用塗佈液J以外,全部與實施例B-1同樣,獲得比較例B-5之熱轉印薄片。 A thermal transfer sheet of Comparative Example B-5 was obtained in the same manner as in Example B-1 except that the coating liquid 11 for a peeling layer was changed to a coating liquid J for a peeling layer having the following composition.

<剝除層用塗佈液J> <Coating liquid for peeling layer J>

Figure TW201805347AD00029
Figure TW201805347AD00029

(比較例B-6) (Comparative Example B-6)

除將剝除層用塗佈液11變更為下述組成之剝除層用塗佈液K以外,全部與實施例B-1同樣,獲得比較例B-6之熱轉印薄片。 Except that the coating liquid 11 for a peeling layer was changed to the coating liquid K for a peeling layer having the following composition, the heat transfer sheet of Comparative Example B-6 was obtained in the same manner as in Example B-1.

<剝除層用塗佈液K> <Coating liquid K for peeling layer>

‧聚酯樹脂(Tg:-70℃,Mn:30000) 20份(HYRON(註冊商標)GM913 UNITIKA(股)) ‧20 parts of polyester resin (Tg: -70 ° C, Mn: 30,000) (HYRON (registered trademark) GM913 UNITIKA (share))

‧甲基乙基酮 80份 ‧80 parts of methyl ethyl ketone

(中間轉印媒體(2)之製作) (Production of Intermediate Transfer Media (2))

除了以乾燥時厚為0.7μm之方式塗佈上述組成之剝離層用塗佈液並乾燥而形成剝離層,以乾燥時厚為1.5μm之方式塗佈上述組成之保護層用塗佈液並乾燥而形成保護層,以乾燥時厚為0.7μm之方式塗佈上述組成之接受層用塗佈液並乾燥而形成接受層以外,與上述中間轉印媒體(1)同樣之製作方法,製作中間轉印媒體(2)。又,中間轉印媒體(1)與中間轉印媒體(2)比較,係剝離層與保護層與接受層之積層體的轉印層全體厚度較厚,剝除性易變低之中間轉印媒體。 In addition to applying a coating liquid for a release layer having the above composition so as to have a thickness of 0.7 μm when drying and drying to form a release layer, applying a coating liquid for a protective layer having the above composition so as to be 1.5 μm in thickness when drying, and drying A protective layer was formed, and the coating liquid for a receiving layer having the above composition was applied so as to have a thickness of 0.7 μm when dried and dried to form a receiving layer. Print media (2). Moreover, compared with the intermediate transfer medium (1) and the intermediate transfer medium (2), the entire transfer layer of the laminated body of the release layer, the protective layer, and the receiving layer is thick, and the intermediate transfer is liable to have a low peelability. media.

<剝除性試驗(2)> <Peeling test (2)>

於上述作成之中間轉印媒體(1)之接受層上,形成昇華轉印之照片色調之熱轉印圖像。接著,以使形成熱轉印圖像之中間轉印媒體(1)之接受層與上述作成之各實施例及比較例之熱轉印薄片之剝除層接觸之方式重疊,使用以下列印機,分別對熱轉印薄片之背面側施加表2所示之電壓,而自中間轉印媒體(1)去除剝離層與保護層與接受層之積層體的轉印層之特定區域。以目視確認此時之轉印層去除狀況,基於以下評價基準,進行剝除性之評價。針對中間轉印媒體(2)進行同樣評價。評價結果示於表2。又,將施加電壓21(V)中,中間轉印媒體(1)、(2)兩者均獲得良 好剝除性之評價者作為實施例。 On the receiving layer of the intermediate transfer medium (1) prepared as described above, a thermal transfer image of a photo tone of sublimation transfer is formed. Next, the receiving layer of the intermediate transfer medium (1) forming the thermal transfer image was brought into contact with the peeling layer of the thermal transfer sheet of each of the examples and comparative examples prepared as described above, and the following printer was used. The voltages shown in Table 2 were applied to the back side of the thermal transfer sheet, respectively, and specific areas of the transfer layer of the laminate of the release layer and the protective layer and the receiving layer were removed from the intermediate transfer medium (1). The removal condition of the transfer layer at this time was visually confirmed, and the releasability was evaluated based on the following evaluation criteria. The same evaluation was performed on the intermediate transfer medium (2). The evaluation results are shown in Table 2. In addition, in the applied voltage 21 (V), both the intermediate transfer media (1) and (2) obtained good results. Evaluators of good peelability are used as examples.

(列印機) (Printer)

熱壓頭:KEE-57-12GAN2-STA(KYOCERA(股)) Thermal head: KEE-57-12GAN2-STA (KYOCERA (shares))

發熱體平均電阻值:3303(Ω) Average resistance value of heating element: 3303 (Ω)

主掃描方向印字密度:300(dpi) Printing density in main scanning direction: 300 (dpi)

副掃描方向印字密度:300(dpi) Printing density in sub-scanning direction: 300 (dpi)

線週期:2(msec/line) Line period: 2 (msec / line)

印字開始溫度:35(℃) Printing start temperature: 35 (℃)

脈衝佔空比:85(%) Pulse duty cycle: 85 (%)

施加電壓:18(V)~27(V) Applied voltage: 18 (V) ~ 27 (V)

「評價基準」 "Evaluation criteria"

A…正確去除對應於「特定區域」之轉印層。 A ... Correctly remove the transfer layer corresponding to the "specific area".

B...對應於「特定區域」之轉印層之一部分稍殘存,或以稍超出「特定區域」之方式去除轉印層,但為使用上不成問題之程度。 B ... A part of the transfer layer corresponding to the "specific area" is left slightly, or the transfer layer is removed slightly beyond the "specific area", but it is not a problem in use.

C...對應於「特定區域」之轉印層之一部分殘存,或以超出「特定區域」之方式去除轉印層,但為使用上不成問題之程度。 C ... A part of the transfer layer corresponding to the "specific area" remains, or the transfer layer is removed in a way beyond the "specific area", but to the extent that it is not a problem in use.

NG(1)...未正確去除對應於「特定區域」之轉印層而為不良。 NG (1) ... defective because the transfer layer corresponding to "specific area" was not removed correctly.

NG(2)...對應於「特定區域」之轉印層完全未去除而為不良。 NG (2) ... The transfer layer corresponding to the "specific area" is not removed at all and is defective.

Figure TW201805347AD00030
Figure TW201805347AD00030

(熱轉印薄片1之製作) (Production of thermal transfer sheet 1)

使用施以易接著處理之厚4.5μm之聚對苯二甲酸乙二酯薄膜作為基材,於該基材之一面的易接著處理面上,以乾燥時厚為1μm之方式塗佈下述組成之剝除層用塗佈液31並乾燥而形成剝除層。又,於基材另一面上,以乾燥時厚為0.8μm之方式塗佈上述組成之背面層用塗佈液並乾燥而形成背面層,藉此獲得熱轉印薄片1。 A 4.5 μm-thick polyethylene terephthalate film was used as a substrate, and the following composition was applied on the easily-adhesive surface of one side of the substrate to a thickness of 1 μm when dried. The coating liquid for peeling layer 31 is dried to form a peeling layer. In addition, on the other surface of the substrate, a coating liquid for a back surface layer having the above composition was applied so as to have a thickness of 0.8 μm when dried, and dried to form a back surface layer, thereby obtaining a thermal transfer sheet 1.

<剝除層用塗佈液31> <Coating liquid for peeling layer 31>

Figure TW201805347AD00031
Figure TW201805347AD00031

(熱轉印薄片2之製作) (Production of thermal transfer sheet 2)

除了將剝除層用塗佈液31變更為下述組成之剝除層用塗佈液32形成剝除層以外,全部與熱轉印薄片1之製作方法同樣,獲得熱轉印薄片2。 A thermal transfer sheet 2 was obtained in the same manner as in the method for producing the thermal transfer sheet 1 except that the coating solution for the peeling layer 31 was changed to the coating solution for the peeling layer 32 having the following composition.

<剝除層用塗佈液32> <Coating liquid for peeling layer 32>

Figure TW201805347AD00032
Figure TW201805347AD00032

(熱轉印薄片3之製作) (Production of thermal transfer sheet 3)

除了將剝除層用塗佈液31變更為下述組成之剝除層用塗佈液33形成剝除層以外,全部與熱轉印薄片1之製作方法同樣,獲得熱轉印薄片3。 The thermal transfer sheet 3 was obtained in the same manner as in the method for producing the thermal transfer sheet 1 except that the coating solution for the peeling layer 31 was changed to the coating solution 33 for the peeling layer having the following composition.

<剝除層用塗佈液33> <Coating liquid for peeling layer 33>

Figure TW201805347AD00033
Figure TW201805347AD00033

(熱轉印薄片4之製作) (Production of thermal transfer sheet 4)

除了將剝除層用塗佈液31變更為下述組成之剝除層用塗佈液34形成剝除層以外,全部與熱轉印薄片1之製作方法同樣,獲得熱轉印薄片4。 The thermal transfer sheet 4 was obtained in the same manner as in the method for producing the thermal transfer sheet 1 except that the coating solution for the peeling layer 31 was changed to the coating solution 34 for the peeling layer having the following composition.

<剝除層用塗佈液34> <Coating liquid for peeling layer 34>

‧聚酯樹脂(Tg=67℃,Mn:17000) 20份(HYRON(註冊商標)200東洋紡(股)) ‧ Polyester resin (Tg = 67 ° C, Mn: 17000) 20 parts (HYRON (registered trademark) 200 Toyobo (stock))

‧甲基乙基酮 80份 ‧80 parts of methyl ethyl ketone

(熱轉印薄片5之製作) (Production of thermal transfer sheet 5)

除了將剝除層用塗佈液31變更為下述組成之剝除層用塗佈液35形成剝除層以外,全部與熱轉印薄片1之製作方法同樣,獲得熱轉印薄片5。 A thermal transfer sheet 5 was obtained in the same manner as the method for producing the thermal transfer sheet 1 except that the coating solution for the peeling layer 31 was changed to the coating solution 35 for the peeling layer having the following composition.

<剝除層用塗佈液35> <Coating liquid for peeling layer 35>

Figure TW201805347AD00034
Figure TW201805347AD00034

(熱轉印薄片6之製作) (Production of thermal transfer sheet 6)

除了將剝除層用塗佈液31變更為下述組成之剝除層用塗佈液36形成剝除層以外,全部與熱轉印薄片1之製作方法同樣,獲得熱轉印薄片6。 A thermal transfer sheet 6 was obtained in the same manner as in the method for producing the thermal transfer sheet 1 except that the coating solution for the peeling layer 31 was changed to the coating solution 36 for the peeling layer having the following composition.

<剝除層用塗佈液36> <Coating liquid for peeling layer 36>

Figure TW201805347AD00035
Figure TW201805347AD00035

(熱轉印薄片7之製作) (Production of thermal transfer sheet 7)

除了將剝除層用塗佈液31變更為下述組成之剝除層 用塗佈液37形成剝除層以外,全部與熱轉印薄片1之製作方法同樣,獲得熱轉印薄片7。 Except changing the coating liquid 31 for a peeling layer to a peeling layer having the following composition Except that the peeling layer was formed by the coating solution 37, the thermal transfer sheet 7 was obtained in the same manner as in the production method of the thermal transfer sheet 1.

<剝除層用塗佈液37> <Coating liquid for peeling layer 37>

Figure TW201805347AD00036
Figure TW201805347AD00036

(熱轉印薄片A之製作) (Production of thermal transfer sheet A)

除了將剝除層用塗佈液31變更為下述組成之剝除層用塗佈液O形成剝除層以外,全部與熱轉印薄片1之製作方法同樣,獲得熱轉印薄片A。 A thermal transfer sheet A was obtained in the same manner as in the production method of the thermal transfer sheet 1 except that the coating solution for the peeling layer 31 was changed to the coating solution O for the peeling layer having the following composition.

<剝除層用塗佈液O> <Coating liquid O for peeling layer>

Figure TW201805347AD00037
Figure TW201805347AD00037

(熱轉印薄片B之製作) (Production of thermal transfer sheet B)

除了將剝除層用塗佈液31變更為下述組成之剝除層用塗佈液P形成剝除層以外,全部與熱轉印薄片1之製作方法同樣,獲得熱轉印薄片B。 A thermal transfer sheet B was obtained in the same manner as in the production method of the thermal transfer sheet 1 except that the coating solution 31 for a peeling layer was changed to the coating solution P for a peeling layer having the following composition.

<剝除層用塗佈液P> <Coating liquid P for peeling layer>

Figure TW201805347AD00038
Figure TW201805347AD00038

(轉印箔與熱轉印薄片之組合) (Combination of transfer foil and thermal transfer sheet)

將上述製作之熱轉印薄片與作為轉印箔而於上述製作之中間轉印媒體(1)、(2)以下表3所示般組合,作成各實施例、各比較例之組合。又,於上述「特定測定條件」下之轉印層與剝除層之密著力為0.03N/cm以上之轉印箔與熱轉印薄片之組合設為實施例之組合,未達0.03N/cm之組合設為比較例之組合。 The thermal transfer sheet prepared as described above was combined with the intermediate transfer media (1) and (2) produced as described above as the transfer foil as shown in Table 3 below to form a combination of each example and each comparative example. In addition, the combination of the transfer foil and the thermal transfer sheet with the adhesion force of the transfer layer and the peeling layer under the above-mentioned "specific measurement conditions" of 0.03 N / cm or more was set as the combination of the examples, but less than 0.03 N / The combination of cm is a combination of a comparative example.

(密著力之測定) (Measurement of adhesion)

於下表3之組合中作為轉印箔之中間轉印媒體之接受層上,形成昇華轉印之照片色調之熱轉印圖像。接著,以使形成熱轉印圖像之中間轉印媒體之接受層與下表3之組合之熱轉印薄片之剝除層接觸之方式重疊,使用以下測試列印機,將熱轉印薄片之搬送速度設定為42.3mm/sec,對熱轉印薄片之背面側施加表3所示之能量,而自中間轉印媒體去除剝離層與保護層與接受層之積層體的轉印層之特定區域。自中間轉印媒體去除轉印層之特定區域時,與剝除層密著之中間轉印媒體之轉印層與剝除層一起自支撐體 剝離時之剝除層之拉伸強度,於列印機內,藉由設於熱轉印薄片之捲取輥與加熱手段(熱壓頭)之間之張力計(ASK-1000型號,大倉工業(股))進行測定,將該拉伸強度設為轉印層與剝除層之密著力。表3顯示密著力之測定結果。又,密著力(N/cm)係將由張力計測定之值除以施加區域寬度而得之值。又,自支撐體剝離轉印層時之轉印層之剝離角度為50°。 On the receiving layer of the intermediate transfer medium used as the transfer foil in the combination of Table 3 below, a sublimation-transferred photo-tone thermal transfer image was formed. Next, the thermal transfer sheet is formed so that the receiving layer of the intermediate transfer medium forming the thermal transfer image is brought into contact with the peeling layer of the thermal transfer sheet of the combination of Table 3 below, and the thermal transfer sheet is transferred using the following test printer. The transfer speed was set to 42.3 mm / sec, and the energy shown in Table 3 was applied to the back side of the thermal transfer sheet to remove the transfer layer from the intermediate transfer medium. region. When a specific area of the transfer layer is removed from the intermediate transfer medium, the transfer layer and the release layer of the intermediate transfer medium in close contact with the peeling layer are self-supporting together The tensile strength of the peeling layer at the time of peeling is in a printer, using a tensiometer (ASK-1000 model, Okura Industrial Co., Ltd.) located between the winding roller of the thermal transfer sheet and the heating means (thermal head) (Strand)), and the tensile strength was measured as the adhesion between the transfer layer and the peeling layer. Table 3 shows the measurement results of adhesion. The adhesion (N / cm) is a value obtained by dividing the value measured by the tensiometer by the width of the application area. The peeling angle of the transfer layer when the transfer layer was peeled from the support was 50 °.

(測試列印機) (Test printer)

發熱體平均電阻值:5241(Ω) Average resistance of heating element: 5241 (Ω)

主掃描方向印字密度:300(dpi) Printing density in main scanning direction: 300 (dpi)

副掃描方向印字密度:300(dpi) Printing density in sub-scanning direction: 300 (dpi)

線週期:2(msec/line) Line period: 2 (msec / line)

印字開始溫度:29.0~36.0(℃) Printing start temperature: 29.0 ~ 36.0 (℃)

脈衝佔空比:85(%) Pulse duty cycle: 85 (%)

施加電壓:18(V)~24(V) Applied voltage: 18 (V) ~ 24 (V)

搬送速度:42.3mm/sec Transport speed: 42.3mm / sec

施加區域寬度:4.1846(cm) Application area width: 4.1846 (cm)

(剝除性之評價(3)) (Evaluation of peelability (3))

上述密著力測定中,以目視確認藉由剝除層去除之轉印層之去除狀況,基於以下評價基準,進行剝除性之評價。評價結果一併示於表3。 In the above-mentioned adhesion measurement, the removal condition of the transfer layer removed by the peeling layer was visually confirmed, and the peelability was evaluated based on the following evaluation criteria. The evaluation results are shown in Table 3.

「評價基準」 "Evaluation criteria"

A…正確去除對應於「特定區域」之轉印層。 A ... Correctly remove the transfer layer corresponding to the "specific area".

B...對應於「特定區域」之轉印層之一部分稍殘存,或以稍超出「特定區域」之方式去除轉印層,但為使用上不成問題之程度。 B ... A part of the transfer layer corresponding to the "specific area" is left slightly, or the transfer layer is removed slightly beyond the "specific area", but it is not a problem in use.

C...對應於「特定區域」之轉印層之一部分殘存,或以超出「特定區域」之方式去除轉印層,但為使用上不成問題之程度。 C ... A part of the transfer layer corresponding to the "specific area" remains, or the transfer layer is removed in a way beyond the "specific area", but to the extent that it is not a problem in use.

NG(1)...未正確去除對應於「特定區域」之轉印層而為不良。 NG (1) ... defective because the transfer layer corresponding to "specific area" was not removed correctly.

NG(2)...對應於「特定區域」之轉印層完全未去除而為不良。 NG (2) ... The transfer layer corresponding to the "specific area" is not removed at all and is defective.

Figure TW201805347AD00039
Figure TW201805347AD00039

1‧‧‧基材 1‧‧‧ substrate

2‧‧‧底塗層 2‧‧‧ undercoat

4‧‧‧剝除層 4‧‧‧ stripping layer

5‧‧‧背面層 5‧‧‧ back layer

10‧‧‧熱轉印薄片 10‧‧‧ heat transfer sheet

Claims (6)

一種熱轉印薄片,其特徵係於基材上設有剝除層之熱轉印薄片,前述剝除層至少含有氯乙烯系樹脂及丙烯酸系樹脂,前述氯乙烯系樹脂之質量相對於前述剝除層之總質量為多於50質量%且95質量%以下之範圍。 A thermal transfer sheet characterized by a thermal transfer sheet provided with a peeling layer on a substrate. The peeling layer contains at least a vinyl chloride resin and an acrylic resin. The quality of the vinyl chloride resin is relative to the peeling layer. The total mass of the delamination is in a range of more than 50% by mass and less than 95% by mass. 一種熱轉印薄片,其特徵係於基材上設有剝除層之熱轉印薄片,前述剝除層含有數平均分子量(Mn)為17000以下且玻璃轉移溫度(Tg)為50℃以上120℃以下之聚酯系樹脂。 A thermal transfer sheet characterized by a thermal transfer sheet provided with a stripping layer on a substrate, the stripping layer containing a number average molecular weight (Mn) of 17,000 or less and a glass transition temperature (Tg) of 50 ° C or more and 120 Polyester resin below ℃. 如請求項2之熱轉印薄片,其中前述聚酯系樹脂係數平均分子量(Mn)為3500以上未達9000之聚酯系樹脂。 The thermal transfer sheet according to claim 2, wherein the polyester resin has a polyester resin coefficient average molecular weight (Mn) of 3500 or more and less than 9,000. 如請求項2或3之熱轉印薄片,其中前述聚酯系樹脂係玻璃轉移溫度(Tg)為50℃以上100℃以下之聚酯系樹脂。 The thermal transfer sheet according to claim 2 or 3, wherein the polyester-based resin-based glass-transition temperature (Tg) is a polyester-based resin having a temperature of 50 ° C or higher and 100 ° C or lower. 一種轉印箔與熱轉印薄片之組合,其特徵為前述轉印箔係呈現於支撐體上設有可自該支撐體剝離之轉印層之構成,前述熱轉印薄片係呈現於基材上設有剝除層之構成, 以前述轉印層與前述剝除層對向之方式重疊前述轉印箔與前述熱轉印薄片,在熱轉印薄片之搬送速度為42.3mm/sec,施加於熱轉印薄片之能量為0.143mJ/dot之條件,藉由前述剝除層去除前述轉印層之特定區域時所測定之前述轉印層與前述剝除層之密著力為0.03N/cm以上。 A combination of a transfer foil and a thermal transfer sheet, characterized in that the aforementioned transfer foil is provided on a support body with a transfer layer which can be peeled from the support, and the aforementioned thermal transfer sheet is provided on a substrate It has a stripping layer on it, The transfer foil and the thermal transfer sheet are overlapped so that the transfer layer and the peeling layer face each other. The transfer speed of the thermal transfer sheet is 42.3 mm / sec, and the energy applied to the thermal transfer sheet is 0.143. In the condition of mJ / dot, the adhesion between the transfer layer and the peeling layer measured when the specific area of the transfer layer is removed by the peeling layer is 0.03 N / cm or more. 如請求項5之轉印箔與熱轉印薄片之組合,其中施加於前述熱轉印薄片之能量於0.1mJ/dot以上0.2mJ/dot以下之範圍內變更時測定之前述密著力為0.03N/cm以上。 For example, if the combination of the transfer foil and the thermal transfer sheet of claim 5 is applied, the energy applied to the thermal transfer sheet is changed from 0.1 mJ / dot to 0.2 mJ / dot. The adhesion force measured when the change is 0.03N. / cm or more.
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